Similar words
bombilla
bombilla and bulbo are close synonyms for "bulb"; bulbo is more general, and can also mean a plant bulb, like a tulip bulb.
Similar in other languages
French
ampoule
Close — a bulb relates to a lightbulb.
Practice
1 What does bulbo mean?
bulb
2 Fill the gap: Plantó ___ de tulipán.
Full sentence: Plantó bulbos de tulipán. (She planted tulip bulbs.)
3 Which fingerprint chart matches bulbo?
bulbo: neutral register, common frequency, general domain, neutral connotation.