One syllable: moulds.
mohldz
/moʊldz/
moulds is pronounced mohldz (/moʊldz/). It has one syllable (moulds), with the stress on "moulds". Moulds is the plural form of mould, referring to any hollow cast used for shaping a material like metal, plastic, or clay, and to a biological growth form in certain contexts. It also collocates with phrases describing molds in manufacturing, dentistry, and mycology. The word carries hints of American English 'molds' once dominant, but 'moulds' remains standard in many dialects, especially outside the US, where the pronunciation highlights the /aʊ/ or /aʊld/ vowel cluster depending on word form.
Moulds is the plural form of mould, referring to any hollow cast used for shaping a material like metal, plastic, or clay, and to a biological growth form in certain contexts. It also collocates with phrases describing molds in manufacturing, dentistry, and mycology. The word carries hints of American English 'molds' once dominant, but 'moulds' remains standard in many dialects, especially outside the US, where the pronunciation highlights the /aʊ/ or /aʊld/ vowel cluster depending on word form.
- Misplacing the /l/ and softening the /d/; keep the /l/ light and the /d/ crisp before the /z/. - Dropping the final /z/ or turning it into a voiceless /s/; ensure voicing for /z/. - Vowel neutrality or turning /aʊ/ into a shorter /a/; practice the diphthong with length and glide.
"- The carpenter used moulds to create identical wooden shapes."
"- Species identification relied on fungal moulds growing on the bread."
"- In dentistry, silicon moulds capture impressions of teeth."
Pronounce as /maʊldz/. The primary stress is on the single syllable. Start with /m/ then /aʊ/ as in 'how', followed by /l/ with tip of the tongue touching the alveolar ridge, then a /d/ closure, and finally a voiced /z/ in rapid succession: /maʊldz/. Keep the /l/ light and the transition to /d/ clean; a short vowel helps avoid an extra syllable.
Common errors include turning /maʊldz/ into /maʊld/ (dropping the final /z/) or misplacing the /l/ by making it a hard /l/ without the smooth /d/ closure. Some speakers also vocalize the /d/ into a more dental or alveolar approximant, producing /maʊl̩dz/ or delaying the /z/. To correct: ensure you release the /d/ fully into a short, crisp /z/, keep the diphthong /aʊ/ accurate (as in 'how'), and avoid adding extra vowels after /l/.
In US English, 'molds' is common, but when using the British spelling 'moulds', you still typically say /maʊldz/. The rhotic accent in the US keeps the /r/ absent here; the main difference is the vowel quality in other words nearby. UK and AU accents maintain /maʊldz/ with slightly more centralized or rounded vowels depending on speaker, but the core /aʊ/ diphthong and /ldz/ sequence remains similar. The vowel in /aʊ/ is often longer in British speech than American, with less vowel reduction in connected speech.
The difficulty lies in coordinating the /aʊ/ diphthong with the /l/ and the rapid transition from a liquid /l/ to a voiced affricate /dz/. Some speakers run the /l/ into the /d/ too soon or compress the /d/ and /z/ into a single quick sound. Additionally, when using the British spelling, you might unconsciously soften the /l/ or mispronounce the ending as /dz/ or /z/? with less crisp release. Practice keeping a clean /d/ release into the /z/ and maintain the /aʊ/ glide.
A key peculiarity is the final -ldz cluster, which requires precise timing: you close the /d/ and immediately add /z/. Some learners insert a vowel between /l/ and /d/, producing /maʊ-əl-dz/ or /maʊldəz/. The solution is to rehearse the sequence as a single tight unit: /aʊldz/ with a quick, barely audible boundary between /l/ and /d/. Also, ensure the /l/ is alveolar-alveolар, not velarized. Practicing with minimal pairs like 'moulds' vs 'mounds' can help.
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- US vs UK vs AU: in US, /maʊldz/ with a short, crisp /d/ before /z/. In UK and AU, keep the same sequence but with different vowel coloring; the /aɪ/ in surrounding words may alter lip rounding; keep the diphthong clear and avoid overdrawing the /l/. The rhotic variation doesn't impact this word much since there is no /r/ involved, but rhythm and flapping in American speech can affect the perceived duration. Use IPA as anchor; emphasize the /aʊ/ as in 'how', then /ldz/ in quick succession.
Moulds derives from the noun mould, itself from Old French molde (Latin forma, mold). The French influence reflects medieval craft terminology for a form used to give shape, with 'mould' entering Middle English via Old French molde or molde, paralleling the Dutch and German forms. The sense broadened from a physical form used to cast or shape materials to include biological growth shapes (molds) in the 18th–19th centuries, with the spelling divergence US English favoring 'molds' since the 19th century. The root is Proto-Germanic *maldują/*maldu- related to forming and shaping, with Latin roots in forma. First known uses appear in 14th–15th century English texts in the context of metalwork and plaster casts, and later in mycology writings to describe mold fungi colonies. The transition from a tangible shaping tool to an organism’s visible growth pattern underscored the metaphor of a form that directs growth, while preserving the core sense of a hollow or cavity that accepts material or shapes a product. The plural form 'moulds' aligns with English spelling traditions, where -oul- often keeps the 'ou' digraph. Modern English usage maintains both 'mould' (UK, Commonwealth) and 'mold' (US) forms, with pluralizations following the base word's spelling.
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Words that rhyme with "moulds"
-lds sounds
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