bulb · pulp

bulb /bʌlb/ · pulp /pʌlp/ — same short /ʌ/ vowel and the same L in the middle, but the consonant that opens and closes the word flips from voiced /b/ to voiceless /p/ both times.

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⠿ reorder

noun — a glass light fixture, or a round plant root — 'a light bulb' · 'a tulip bulb'

mouth shape

voiced /b/ at both ends — lips press and buzz to open, tongue-tip /l/, then lips press and buzz again to close — BULB

bulb

/bʌlb/

vowel length

short /ʌ/

plays as: “a light bulb”

⠿ reorder

noun — the soft, fleshy part of a fruit, or a soft wet mass — 'orange pulp' · 'wood pulp' · 'beaten to a pulp'

mouth shape

voiceless /p/ at both ends — lips press with just a puff of air to open, tongue-tip /l/, then lips press with a puff to close — PULP

pulp

/pʌlp/

vowel length

short /ʌ/

plays as: “orange pulp”

Key difference

bulb — /b/ is voiced both at the start and the end: your vocal cords buzz each time your lips press together. pulp — /p/ is voiceless both times: same lip movement, but only a puff of air, no buzz. Put a finger on your throat and say both words — you’ll feel the buzz twice on “bulb” and not at all on “pulp”. The vowel and the /l/ in the middle are identical.

Double the trouble

Most minimal pairs differ in just one sound. Bulb and pulp differ in two — the first consonant and the last — but by the same voicing rule both times, which is actually what makes them easier once you notice the pattern: get the /b/ vs /p/ right once, and you’ve got the whole word both times.

Example sentences

bulb:“The light bulb burned out.”

bulb:“Plant the tulip bulbs in autumn.”

pulp:“I like orange juice with extra pulp.”

pulp:“Paper is made from wood pulp.”

Hear it in the wild

Real speech from native speakers — the most reliable way to check a pronunciation, since automated audio can vary by device and browser.

YouGlish↗

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bulb

Hear native speakers say “bulb” in real sentences — news, lectures, and podcasts.

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