One syllable: joists.
/dʒɔɪsts/
Say it backJoists are horizontal structural members that support floors or ceilings, typically spanning between beams or walls. They carry loads and transfer weight to supporting supports, forming the framework on which flooring is laid. The term is common in construction and carpentry, denoting a specific, regularly spaced element of a floor system.
"The carpenter installed new joists to ensure a level second floor."
"We measured the joists before buying the plywood sheathing."
"The attic rafters and joists were inspected for signs of wood rot."
Pronounce it as /dʒɔɪsts/. Start with the /dʒ/ sound (like 'judge'), then the /ɔɪ/ diphthong (combining /ɔ/ and /ɪ/ smoothly), followed by /sts/ where you move quickly from a light /s/ into /t/ and end with a final /s/. The stress is on the entire one-syllable word, with a crisp consonant cluster at the end. You’ll want a clean tongue position for the /ɔɪ/ glide, and avoid turning it into /aɪ/ or /ɔɪt/. See: your lips should start rounded for /ɔ/ and then relax into /ɪ/ as you glide to /s/.
Common errors include saying /dʒɔɪst/ with a silent final /s/ or mispronouncing the final cluster as /t/ only. Another frequent slip is reducing /ɔɪ/ to /oɪ/ or misplacing the tongue so the /s/ blends into /z/ instead of crisp /s/. To correct: reset the /ɔɪ/ with a full glide, then release /s/ followed quickly by /t/ and finish with /s/—don’t voice the final /s/ or elide the /t/. Practicing with minimal pairs like 'joist' vs 'joist-s' helps you lock the plural ending.
In US and UK, /dʒɔɪsts/ is similar, but vowel quality may shift: US /ɔ/ can be slightly lower and tenser; UK speakers may compress /ɔɪ/ toward a rounded closer diphthong; Australian tends to have a more centralized /ɔɪ/ and a softer /t/ release. The final /s/ tends to be voiceless in all, with slight voicing or aspiration depending on locale and surrounding sounds. Overall the rhyme remains with /ɔɪ/ followed by the /sts/ cluster, but the onset and vowel height/quality influence perceived vowel length and consonant release. IPA references: US /dʒɔɪsts/, UK /dʒɔɪsts/, AU /dʒɔɪsts/.
The difficulty lies in the /ɔɪ/ diphthong transition and the final /sts/ cluster, especially the quick release from /s/ to /t/ to /s/. The tongue must move smoothly between an open-mid back rounded vowel to a near-close near-front position, while the alveolar sibilants require precise tongue blade positioning without voicing. Non-native speakers may misplace the /dʒ/ onset or merge /ɔɪ/ into /oɪ/. Focus on the sequence: /dʒ/ + /ɔɪ/ + /sts/ with a clean, unvoiced /s/ at the end.
A unique point is the subtle rounding and tension change from /ɔ/ to /ɪ/ within the /ɔɪ/ diphthong and the rapid, unvoiced /s/ in the /sts/ cluster. Unlike a simple /s/ at the end, you’re finishing with a crisp /s/ after a /t/ release, almost like saying /dʒɔɪst/ quickly then adding a final /s/. Practically, keep the tongue blade high for /s/ without voicing and avoid lengthening the vowel when transitioning to the /s/.
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The word joist comes from Middle English juyst or jeuist, borrowed from Old French joust ‘a support’ or ‘a crossbeam,’ which itself likely derives from a Vulgar Latin root *jostus* related to ‘to join’ or ‘to bind.’ The sense evolved in construction contexts to denote a transverse structural member supporting floors or ceilings. In early carpentry, English builders used timber members spanning between walls or posts; the term appears in 15th–16th century building records. As architecture advanced, standardized spacing and dimensions emerged, and “joist” became a fixed term in architectural drawings and carpentry manuals. The modern usage specifically identifies floor or ceiling framing members, typically spaced evenly and dimensioned to bear loads with joist hangers or supports. The word carries specialized functional meaning in construction jargon and is seldom used outside that domain, though in some regions “joist” can be confused with “joist” as a verb in different dialects. First known use in English evidence traces to medieval timber frame building documents, with consolidated modern usage by the 18th–19th centuries as formal carpentry lexicon expanded.
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Help others use "joists" correctly by contributing grammar tips, common mistakes, and context guidance.
💡 These words have similar meanings to "joists" and can often be used interchangeably.
🔄 These words have opposite meanings to "joists" and show contrast in usage.
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Words that rhyme with "joists"
-sts sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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