55 Spanish Words That Start With O: Ultimate List with Letter O + Examples
In this blog post, we’re focusing on Spanish words that start with O. The letter O in Spanish is a vowel that has a consistent pronunciation in Spanish words.
Some Spanish vowels act differently, but instead of explaining this in the blog post, let Mariana from Spring Spanish explain it to you. By the way, Spring Spanish is one of my side-projects which focuses on Spanish language learning: check it out, it has a complex Spanish course!
And now, here are 55 Spanish words that start with the letter O.
1. Fun facts about the Spanish letter ‘O’
The letter O in Spanish is pronounced as a clear, round vowel sound. It’s important to note that unlike in English, the Spanish O doesn’t have a “long” and “short” sound – it’s always pronounced the same way.
Interestingly, many Spanish words that start with O have Latin or Greek origins. This letter often appears in scientific or advanced Spanish phrases.
A common Spanish expression that uses O is “O todo o nada” (All or nothing). It could even be the slogan for a great Spanish commercial!
If you’re interested, we have more articles like this one:
2. Spanish nouns starting with O
| Spanish | English |
|---|---|
| Ojo | Eye |
| Ola | Wave |
| Oro | Gold |
| Oso | Bear |
| Oreja | Ear |
| Oveja | Sheep |
| Olla | Pot |
| Océano | Ocean |
| Otoño | Autumn |
| Oficina | Office |
| Orquesta | Orchestra |
| Oportunidad | Opportunity |
| Olivo | Olive tree |
| Origen | Origin |
| Orden | Order |
Using these Spanish words that start with O could sound like this:
Olivia: Oscar, ¿has visto el nuevo océano documental? Tiene unas olas impresionantes. (Olivia: Oscar, have you seen the new ocean documentary? It has impressive waves.)
Oscar: No, aún no. Estuve ocupado en la oficina. Por cierto, ¿viste el oso en el zoológico? (Oscar: No, not yet. I’ve been busy at the office. By the way, did you see the bear at the zoo?)
Olivia: ¡Sí! Tenía unos ojos tan expresivos. Fue una gran oportunidad para verlo de cerca. (Olivia: Yes! It had such expressive eyes. It was a great opportunity to see it up close.)
3. Spanish verbs starting with O
| Spanish | English |
|---|---|
| Observar | To observe |
| Oír | To hear |
| Ofrecer | To offer |
| Organizar | To organize |
| Olvidar | To forget |
| Obtener | To obtain |
| Opinar | To opine |
| Ocultar | To hide |
| Ocupar | To occupy |
| Odiar | To hate |
| Oler | To smell |
| Ordenar | To order |
| Orientar | To orient |
| Obligar | To force |
| Otorgar | To grant |
Let’s see how Spanish verbs with O act in Spanish conversations:
Emma: Pablo, ¿puedes observar si alguien viene mientras organizo esta sorpresa? (Emma: Pablo, can you observe if anyone is coming while I organize this surprise?)
Pablo: Claro, no hay problema. ¿Quieres que ofrezca algo de beber a los invitados cuando lleguen? (Pablo: Sure, no problem. Do you want me to offer something to drink to the guests when they arrive?)
Emma: Sí, por favor. Y no olvides ocultar los regalos. (Emma: Yes, please. And don’t forget to hide the gifts.)
4. Spanish adverbs starting with O
| Spanish | English |
|---|---|
| Obviamente | Obviously |
| Ocasionalmente | Occasionally |
| Oficialmente | Officially |
| Orgullosamente | Proudly |
| Originalmente | Originally |
| Oportunamente | Opportunely |
| Oscuramente | Obscurely |
| Objetivamente | Objectively |
| Opuestamente | Oppositely |
| Ordenadamente | Orderly |
And what about these adverbs used in everyday Spanish events?
Isabel: Hola Raúl, ¿cómo va tu nuevo proyecto? (Isabel: Hi Raúl, how’s your new project going?)
Raúl: Obviamente, es un desafío, pero estoy trabajando en él orgullosamente. (Raúl: Obviously, it’s a challenge, but I’m working on it proudly.)
Isabel: Me alegro. ¿Lo terminarás a tiempo? (Isabel: I’m glad. Will you finish it on time?)
Raúl: Ocasionalmente tengo dudas, pero objetivamente, creo que sí lo lograré. (Raúl: Occasionally I have doubts, but objectively, I think I will achieve it.)
5. Spanish adjectives starting with O
| Spanish | English |
|---|---|
| Oscuro | Dark |
| Ocupado | Busy |
| Original | Original |
| Obvio | Obvious |
| Orgulloso | Proud |
| Optimista | Optimistic |
| Oportuno | Timely |
| Ordenado | Tidy |
| Obediente | Obedient |
| Ovalado | Oval |
| Oficial | Official |
| Opuesto | Opposite |
| Ordinario | Ordinary |
| Óseo | Bony |
| Omnipotente | Omnipotent |
Do you want to talk about design or arts in Spanish? Then use these adjectives with Spanish words that start with O:
Laura: ¡Mira ese oscuro edificio, Andrés! Es muy original en su diseño. (Laura: Look at that dark building, Andrés! It’s very original in its design.)
Andrés: Sí, es verdad. Parece ovalado y opuesto a todo lo que hemos visto antes. (Andrés: Yes, that’s true. It looks oval and opposite to everything we’ve seen before.)
Laura: Estoy de acuerdo. Aunque parece un poco ordinario por fuera, la experiencia dentro será oportuna. (Laura: I agree. Although it looks a bit ordinary on the outside, the experience inside will be timely.)
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