One syllable: fifths.
/ˈfɪfθs/
Say it backFifths is the plural of fifth, referring to the position or rank that is one more than a fourth. It also denotes the musical interval spanning seven semitones, or a chord built on the dominant degree. In pronunciation, it ends with an unusual -ths cluster that tests sibilant + fricative articulation.
"The diagram shows the fifths in a heptatonic scale."
"She landed fifths in the choir’s harmony arrangement."
"In geometry, the fifths of a polygon relate to its vertex divisions."
Pronounce FIFTHS as /ˈfɪfθs/. Start with an unstressed 'fif' as /ˈfɪf/, then the /θ/ sound made with the tongue between the teeth, and end with /s/. Your mouth closes quickly after the /θ/ to release the final /s/. Emphasize the first syllable; the /f/ and /θ/ are both voiceless. Audio example: listen to reputable dictionaries for /ˈfɪfθs/ and imitate the flow.
Common errors include turning the /θ/ into /s/ or /t/ (fricative to stop or sibilant), pronouncing /f/ as a longer /f/ from other positions, and misplacing tongue for /θ/. Correction: keep tongue between teeth with a light breath for /θ/, and snap to /s/ immediately after without voicing. Also avoid adding an extra syllable; the word is single- or two-beat with primary stress on the first syllable.
In US, UK, and AU, the /ˈfɪfθs/ pattern is consistent in core phonemes; the difference lies in the rhoticity and vowel subtlety: US tends to a slightly tenser /ɪ/; UK may have a slightly shorter /ɪ/ and crisper /θ/; AU keeps the same but may blur the boundary between /f/ and /θ/ in rapid speech. Overall, the primary stress remains on the first syllable; devoicing of /θ/ is common in casual speech.
The difficulty stems from the consonant cluster /f-ɪ-f-θ-s/ and the sibilant adjacency /θs/. Speakers must maintain a voiceless dental fricative /θ/ without voicing, followed by a crisp /s/ without assimilation. Coarticulation with the preceding /f/ can cause blending. Additionally, the preceding short vowel /ɪ/ requires precise tongue height and jaw position to avoid over-lengthening or reducing the vowel.
Yes, the sequence /fθ/ is uncommon in many dialects and demands precise tongue placement: place the tongue blade lightly between the upper and lower front teeth for /θ/, while ensuring the preceding /f/ is cleanly released and not followed by a vowel. The combination of two obstruents without an intervening vowel tests rapid articulatory transitions and is a hallmark of this word.
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Fifths derives from Middle English fifth, from Old English fiftþ (fift + th suffix), and shares roots with German fünft (fifth) and Dutch vift, all of which trace to the Proto-Germanic *fimþiz. The term ultimately comes from the Proto-Indo-European root *penk-
💡 Etymology tip: Understanding word origins can help you remember pronunciation patterns and recognize related words in the same language family.
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💡 These words have similar meanings to "fifths" and can often be used interchangeably.
🔄 These words have opposite meanings to "fifths" and show contrast in usage.
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Words that rhyme with "fifths"
-fts sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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