2 syllables: Com, pound. Stress on Com.
KAHM-pownd
/ˈkɑmpaʊnd/
Compound is pronounced KAHM-pownd (/ˈkɑmpaʊnd/). It has two syllables (Com-pound), with the stress on "Com". Compound (noun) refers to a thing formed by combining two or more separate elements, or a fenced or walled area containing a group of buildings. In finance or chemistry contexts, it can mean a compound word or a substance formed from two or more elements. It implies a cohesive unit produced by synthesis, with distinct parts contributing to a whole.
nounCompound (noun) refers to a thing formed by combining two or more separate elements, or a fenced or walled area containing a group of buildings. In finance or chemistry contexts, it can mean a compound word or a substance formed from two or more elements. It implies a cohesive unit produced by synthesis, with distinct parts contributing to a whole.
"The military compound was surrounded by high walls and watchtowers."
"In chemistry, sodium chloride is a compound made from sodium and chlorine."
"A compound word like classroom combines two separate words into one."
It’s pronounced with primary stress on the first syllable: /ˈkɒm.paʊnd/ (US/UK/AU). Start with the /k/ burst, then /ɒ/ as in ‘lot’, followed by /m/ with the lips closed, and glide into /aʊ/ as in ‘how’, finishing with /nd/ where the tongue contacts the alveolar ridge and the velar nasal becomes a clear /d/ release. Keep the /m/ and /p/ distinct, and ensure the /aʊ/ is a smooth diphthong rather than two separate vowels. Audio reference: you can compare with pronunciation videos for “compound” to hear the stressed first syllable clearly.
Common errors include under- or over-emphasizing the /ɒ/ vowel (pronouncing it like /ɑ/ or /ɔ/), and mispronouncing the /aʊ/ diphthong by lengthening it into two separate vowels or flattening it into a single /a/. Another frequent slip is turning /nd/ into /n/ or /d/ only, losing the distinctive closure. To correct: ensure the first syllable has a clear /ɒ/ then a precise /m/ before a tight /aʊ/ glide into /nd/ with a quick tongue-tip contact at the alveolar ridge. Practice with minimal pairs like “comb” vs “comp” to feel the difference.
In US, UK, and AU, the primary stress remains on the first syllable: /ˈkɒm.paʊnd/. Vowel quality can vary: US may have a slightly rounded /ɒ/ closer to /ɑ/; UK generally preserves the rounded /ɒ/ with less rhotacization; AU tends to be similar to UK but with a more centralized final vowel in connected speech. The /nd/ at the end is non-rhotic in many accents, but the conclusory /d/ is often pronounced with a crisp alveolar closure in all. Listen for subtle differences in the first vowel length and the onset of the /aʊ/ glide.
The difficulty lies in the two-consonant cluster /m/ followed by a strong /ɒ/ vowel, then the rapid /aʊ/ diphthong and a final /nd/ cluster. The /aʊ/ can blur in quick speech, and many learners mis-tim the syllable boundary, turning it into /ˈkɔmˌaʊnd/ or similar. Also, the /m/ and /p/ are adjacent consonants that require precise lip closure differentiation. Practicing the transition from /m/ to /aʊ/ and the hard /d/ release helps anchor correct rhythm and reduces sloppiness.
A unique aspect is the blend of the aspirated /p/ after the /m/ without vowel interruption: /m.p/ rather than a clean /mp/ without a separating vowel. This is typical of English stress timing where the first syllable ends with a nasal then a plosive onset of the second syllable. Emphasize a brief transitional space between /m/ and /p/ to maintain the two-syllable integrity and avoid slurring into /ˈkɒmˌpaʊnd/ becoming /ˈkɒmpaʊnd/.
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US: rhotic-ish context with slightly stronger /ɹ/ influence in connected speech; UK: clearer non-rhotic, but the final /nd/ remains crisp; AU: tends to have a more centralized vowel in rapid speech and slightly broader /ɒ/; IPA references: /ˈkɒm.paʊnd/ across accents; mouth positions: keep lips rounded for /ɒ/, then transitional lip rounding into /aʊ/, tip of tongue rises to contact alveolar ridge for /n/ and /d/.
Compound comes from Middle English compoun(e)d, from Old French compont, from Latin compositus ‘put together’ or ‘composed’, from compōnere ‘to put together’. The root com- means ‘together’ and ponere means ‘to place’ or ‘to put’. The sense evolved from something that is put together or built to a more general meaning of a unity formed by combining parts. The word was used in the sense of ‘things joined; a unit formed by elements’ by the 14th century, and later extended to “a fenced or walled place” (compound as a yard) in the 15th–16th centuries. In chemistry and linguistics, it gained prominence in modern times to denote substances or words formed from multiple components. First known use in English literature appears in the 14th century manuscripts, with the compound being referenced as a structure or a unit created by synthesis. The sense of a “complex” or “fenced enclosure” persisted in specialized contexts, such as military or industrial compounds, while the linguistic and chemical senses became dominant in scientific usage by the 17th–19th centuries. Today, it covers a broad range of fused entities, from words to chemical substances and organizational campuses.
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Words that rhyme with "Compound"
-und sounds
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