To pronounce "frustule", say FRUST-ul-e — 3 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
frustule
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3
Syllables
8
Letters
FRUST-ul-e
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"frustule" has 3 syllables: frust-ul-e. It rhymes with fistule and pustule, if that helps it stick.
noun
Practicing rhymes trains the same ending sounds.
"Frustule" has 3 syllables: frust · ul · e.
Frustule: The siliceous shell of a diatom.
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