200 Spanish Words That Start With O

¡Hola, queridos lectores!

If you’re keen on embarking on a journey through the romantic lanes of the Spanish language, you’ve arrived at the right place. Today, we’re diving deep into words that begin with the letter ‘O’.

Whether you’re an aspiring linguist, an avid traveler, or simply a curious soul, join me in uncovering the beauty of Español, one ‘O’ word at a time.

Words That Start With O in Spanish

  1. Oliva – Olive
  2. Oro – Gold
  3. Ola – Wave (like in the sea)
  4. Otoño – Autumn
  5. Oso – Bear
  6. Ocaso – Sunset or decline
  7. Ojo – Eye
  8. Oruga – Caterpillar
  9. Oración – Sentence or prayer
  10. Origen – Origin
  11. Oportunidad – Opportunity
  12. Ocupar – To occupy or take up
  13. Ópera – Opera
  14. Óptimo – Optimal or excellent
  15. Orquesta – Orchestra
  16. Oscuridad – Darkness
  17. Ostentar – To show off or flaunt
  18. Objetivo – Objective or goal
  19. Oficina – Office
  20. Omitir – To omit or leave out
  21. Olor – Smell or odor
  22. Oasis – Oasis
  23. Ovación – Ovation or applause
  24. Oferta – Offer
  25. Oído – Ear or hearing
  26. Orientación – Orientation or direction
  27. Ocultar – To hide or conceal
  28. Obra – Work (as in a piece of art)
  29. Oxígeno – Oxygen
  30. Órbita – Orbit
  31. Ordenar – To order or arrange
  32. Ostión – Oyster (in some regions)
  33. Ovni – UFO (Unidentified Flying Object)
  34. Opinión – Opinion
  35. Operación – Operation or surgery
  36. Obligación – Obligation or duty
  37. Obtener – To obtain or get
  38. Ocupado – Busy or occupied
  39. Ondulación – Wave or ripple
  40. Obsoleto – Obsolete
  41. Orgullo – Pride
  42. Osado – Daring or bold
  43. Opción – Option or choice
  44. Observar – To observe or watch
  45. Otro – Other or another
  46. Octubre – October
  47. Oblea – Wafer
  48. Ochenta – Eighty
  49. Orador – Speaker or orator
  50. Oficial – Official

Let’s take a brief respite here. Catch your breath and maybe even practice pronouncing some of these words. Ready for more? Vamos!

  1. Oculto – Hidden or secret
  2. Ovular – To ovulate
  3. Ofender – To offend
  4. Organizar – To organize
  5. Ostentoso – Ostentatious or showy
  6. Operativo – Operation or operative
  7. Oyente – Listener
  8. Onírico – Dreamlike or related to dreams
  9. Optar – To opt or choose
  10. Orgánico – Organic
  11. Odio – Hatred
  12. Orar – To pray
  13. Oficialmente – Officially
  14. Obvio – Obvious
  15. Obstrucción – Obstruction or blockage
  16. Ordeñar – To milk (as in milking a cow)
  17. Obedecer – To obey
  18. Ola – Wave
  19. Orzuelo – Stye (on the eyelid)
  20. Onza – Ounce or lynx
  21. Órgano – Organ (musical or biological)
  22. Objeción – Objection
  23. Ocasión – Occasion or event
  24. Ofensivo – Offensive
  25. Ornamentado – Ornamented or decorated
  26. Opaco – Opaque
  27. Osamenta – Skeleton or bones
  28. Obstáculo – Obstacle or hurdle
  29. Obediente – Obedient
  30. Orográfico – Orographic, related to mountains
  31. Opresión – Oppression
  32. Ortopedia – Orthopedics
  33. Onomástico – Name day (a tradition in some cultures)
  34. Obcecado – Obsessed or stubborn
  35. Otear – To scan or gaze into the distance
  36. Orfebrería – Goldsmithing or silversmithing
  37. Ortodoncia – Orthodontics
  38. Outfit – Outfit (borrowed from English but used in modern Spanish)
  39. Ovillo – Ball (of yarn)
  40. Orgánulo – Organelle (in biology)
  41. Orientar – To orient or guide
  42. Octagonal – Octagonal
  43. Óseo – Bony or related to bones
  44. Oruga – Caterpillar
  45. Oblongo – Oblong
  46. Oscilación – Oscillation or swing
  47. Operativo – Operative or operation (as in a police operation)
  48. Onda – Wave or vibe
  49. Ostión – Oyster (in some regions)
  50. Ornamental – Ornamental

  1. Osar – To dare
  2. Ordeñador – Milker
  3. Óleo – Oil (art)
  4. Ostensible – Apparent
  5. Orfeón – Choral society
  6. Optimizar – To optimize
  7. Onomatopeya – Onomatopoeia
  8. Olvidar – To forget
  9. Oración – Sentence or Prayer
  10. Oscurecer – To get dark
  11. Olvido – Forgetfulness
  12. Ostentar – To hold or to possess
  13. Oráculo – Oracle
  14. Oír – To hear
  15. Olvidadizo – Forgetful
  16. Ocelote – Ocelot
  17. Oneroso – Onerous, burdensome
  18. Oblea – Wafer
  19. Orlar – To edge or border
  20. Oteo – The act of looking from a height
  21. Ochavado – Octagonal
  22. Orquídea – Orchid
  23. Oclusión – Occlusion
  24. Oncología – Oncology
  25. Oneroso – Burdensome
  26. Olímpico – Olympic
  27. Ostión – Large oyster
  28. Ortopédico – Orthopedic
  29. Ovacionar – To give an ovation
  30. Ominoso – Ominous
  31. Ortopédico – Orthopedic
  32. Omitido – Omitted
  33. Óxido – Oxide
  34. Onírico – Dreamy
  35. Ocre – Ochre
  36. Opción – Option
  37. Oyente – Listener, audience
  38. Oscuridad – Darkness, obscurity
  39. Oír – To hear
  40. Oloroso – Fragrant, aromatic
  41. Oso – Bear
  42. Oriente – East
  43. Ofuscado – Dazed, confused
  44. Ocultar – To hide
  45. Óptica – Optics or vision
  46. Ornitología – Ornithology
  47. Optativo – Optional
  48. Opereta – Operetta
  49. Onza – Lynx
  50. Oficio – Profession, job
  51. Olvidar – To forget
  52. Optimista – Optimistic
  53. Orfebrería – Goldsmithing
  54. Ojeada – Glance
  55. Olisquear – To sniff
  56. Ofrenda – Offering, tribute
  57. Orientador – Advisor, guide
  58. Oración – Sentence, prayer
  59. Orla – Border, edge
  60. Orilla – Shore, edge
  61. Orificio – Orifice, hole
  62. Oquedad – Cavity, hollow
  63. Oneroso – Expensive, burdensome
  64. Ondulado – Wavy
  65. Óleo – Oil painting
  66. Otro – Another, other
  67. Ojeada – Glance, quick look
  68. Oblicuo – Oblique
  69. Oligarquía – Oligarchy
  70. Ósculo – Osculum (in biology)
  71. Oyente – Listener
  72. Olímpico – Olympic
  73. Oquedad – Cavity, hollowness
  74. Opulencia – Opulence, wealth
  75. Oratoria – Oratory, speechmaking
  76. Oblea – Wafer
  77. Onubense – From Huelva (a province in Spain)
  78. Onírico – Related to dreams, dreamy
  79. Oración – Sentence, prayer
  80. Oficiar – To officiate
  81. Ocelote – Ocelot (wild cat)
  82. Ostensiblemente – Ostensibly, apparently
  83. Ostentoso – Showy, ostentatious
  84. Ortopédico – Orthopedic
  85. Oscilar – To oscillate, swing
  86. Osario – Ossuary, a place where bones are stored
  87. Olfatear – To sniff out, to smell
  88. Obsoleto – Obsolete
  89. Ocupante – Occupant
  90. Ocultismo – Occultism
  91. Onírica – Dreamlike
  92. Olivar – Olive grove
  93. Osificación – Ossification
  94. Olfativo – Olfactory, related to the sense of smell
  95. Óseo – Bony
  96. Ocultar – To hide
  97. Ortopédico – Orthopedic
  98. Ovulación – Ovulation
  99. Oxidación – Oxidation
  100. Otoño – Autumn

Conclusion

Whew!

That was quite the linguistic adventure, wasn’t it?

From everyday terms to specialized jargon, the letter ‘O’ has a lot to offer in Spanish.

Whether you’re just starting with Spanish or looking to expand your vocabulary, I hope you found this list helpful.

Until next time, keep the passion for languages alive, and ¡hasta luego!

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