One syllable: fins.
/ˈfɪnz/
Say it backFins is the plural of fin, referring to the paired appendages of aquatic vertebrates or, less commonly, to any appendage shaped like a fin. The word denotes a body part used for propulsion in water or a metaphorical or decorative fin-like structure. In plural form it often appears in biological, nautical, or descriptive contexts, emphasizing multiple fins rather than a single unit.
- Mispronouncing final /z/ as /s/ or /z/ released with extra aspiration; correct by practicing minimal pairs: fins vs fin(s) with careful voicing. - Vowel muddiness: keep /ɪ/ short and lax (as in sit), not a stretched or centralized vowel; practice with phrases like this fin, five fins. - Linking issues: in rapid speech you may fuse /n/ and /z/ or drop the /n/; practice slow-to-fast drills emphasizing clean alveolar stop to /n/ and voiced /z/ transition.
"The shark’s fins glided just beneath the surface."
"The diver inspected the coral and adjusted his fins before resurfacing."
"She collected antique boats, each with its own brass fittings and fins."
Pronounce as two sounds: /f/ followed by /ɪ/ and /n/ with final /z/. IPA: /fɪnz/. The tongue tip lightly touches the alveolar ridge for /n/ and /z/ is produced with voice continuing after the /n/. Stress is on the single syllable. You’ll often hear a quick, clean release: fĭnz. If you’re linking, it tends to stay compact, as in fins underwater or fins on the boat.
- Consonant devoicing: some speakers may devoice the final /z/ and say /fɪnz̥/ or /fɪn/ with a voiceless ending. Correction: keep the vocal cords vibrating for the final /z/. - Lengthening the vowel: lengthening /ɪ/ into a schwa-ish sound; correction: keep a short, lax /ɪ/ as in kit. - Substituting /f/ with /v/ in rapid speech; correction: maintain /f/ voiceless release before the voiced /z/.
US: /fɪnz/ with rhotic, clear /ɹ/ not involved; UK: /fɪnz/ similar, but may have slightly drier vowel timing; AU: /fɪnz/ with very brisk alveolar consonants and a subtle tendency to flatten vowels in rapid speech. In all three, the end cluster is /nz/; the only notable difference comes from preceding vowel length and coarticulation with neighboring words in connected speech.
Because of the final voiced fricative /z/ after a nasal /n/, which can cause voice onset time variations and hesitation for non-native speakers. It also sits in a fast, clipped monosyllable where the transition from /n/ to /z/ requires smooth voicing. Mastery requires precise tongue tip placement for /n/ and sustained voicing for /z/ without voiceless release.
The plural ending is not /-s/ added to a root with /z/ in final sound; it’s a straightforward /z/ ending. The key nuance is maintaining the alveolar contact for /n/ and not surging into an aspirated release. You’ll want to avoid sounding like /fɪs/ or /fɪnzɪ/ by ensuring the final /z/ is crisp and unrounded.
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- US: rhoticity doesn’t affect this word, but in connected speech you’ll notice a crisper /nz/ cluster; ensure the /ɪ/ remains short before /nz/. - UK: similar pattern, but you might hear a slightly more clipped /fɪnz/ with less vowel reduction in slower speech. - AU: tends to be more glottal-friendly in rapid speech; you may hear a diacritic-like breath or a slightly shorter vowel; keep the /ɪ/ tight and the /nz/ audible. IPA references: US /fɪnz/, UK /fɪnz/, AU /fɪnz/.
The word fins traces to the Old English fin(n) or fin, related to the Proto-Germanic finnz and ultimately to the Proto-Indo-European root *pene- meaning feather or wing, reflecting early associations with wing-like appendages. Historically, fins in English denoted flaps or thin plates, later specialized to aquatic appendages as the scientific vocabulary expanded. The plural form fins appears in Middle English texts where authors described marine anatomy and ship structures (fins as decorative or protective projections). In zoological language, fins became standard terminology for aquatic locomotion structures across fish, cetaceans, and other marine vertebrates. The shift from broad wing-like plates to precise anatomical terms mirrors broader scientific discourse in the 17th–19th centuries, with fin being one of the oldest retained terms in English for any flat, pliable extension used for stability or propulsion. The word’s usage broadened in nautical contexts to denote other rearward projections on vessels and equipment, then narrowed again in modern biology to explicit anatomical fins. First known uses appear in Old English medical and natural history compendia, with clearer attested forms in Early Modern glossaries detailing marine anatomy and ship fittings.
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💡 These words have similar meanings to "fins" and can often be used interchangeably.
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Words that rhyme with "fins"
-ins sounds
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