/ɹɪˈpleɪsɪz/
Say it backReplaces is the third-person singular present tense of replace, meaning to substitute one thing for another. In use, it often conveys regular or ongoing substitution, as when an element or person stands in for something else. The word denotes action that displaces or takes the place of something previously in use, and can also function in noun phrases like “a replaces” in specialized contexts.
You’ll likely trip on three areas: 1) Stress placement: not over-emphasizing the first syllable; 2) Final sound: turning /z/ into /s/ or adding a vowel; 3) Linking: failing to connect the /z/ to the preceding /ɪ/ or the following word in fast speech. Tips: practice saying /rɪˈpleɪ.zɪz/ aloud with a steady air flow, keep the /pleɪ/ chunk distinct, then attach the /zɪz/ as a unit. Use minimal pairing with words like “replays” and “replaces” to hear the subtle differences, and record to review the voicing and duration.
"The machine replaces the old model in the factory lineup."
"She replaces the battery every year to keep the device running."
"The committee chair replaces the former president at meetings."
Pronounce as /rɪˈpleɪ.zɪz/ in US and UK; two syllables with secondary onset in the first syllable and primary stress on the second: ri-PLACES-iz. The /ɪ/ in the first syllable is short, the /eɪ/ in the second is the long vowel as in 'play', and the final -s is /z/ in most contexts. Practice by saying ‘re-’ with a quick move to /pleɪ/ and finish with /zɪz/ in rapid speech. Audio references: Cambridge Dictionary, Forvo entries for replaces.
Common errors include stressing the first syllable (re-PLACES) instead of the second, inserting an extra syllable (ree-places-iz), and mispronouncing the final /z/ as /s/ or /ɪz/. Correction: keep two syllables with primary stress on the second: /rɪˈpleɪ.zɪz/. Ensure the final consonant is a voiced /z/ (not unvoiced). Practice by isolating the -places- portion and adding a light /z/ after the /ɪ/.
In US/UK/AU, the primary stress remains on the second syllable /ˈpleɪ/. Vowel quality of /ɪ/ in the first syllable is similar, but American/rhotic tendencies won’t alter the vowel in this word much; the main difference is vowel length and flapping in connected speech slightly affecting perception of the /ɪ/ in casual speech. Australians often maintain clear vowels; British speakers may sound crisper with less vowel reduction in rapid speech. Overall, the main rhythm is /rɪˈpleɪ.zɪz/ across accents.
The difficulty lies in the two-syllable structure with a strong second-syllable vowel cluster and a voiced sibilant at the end. The sequence /pleɪ/ combines a diphthong /eɪ/ with a smooth onset, while the final /z/ is a buzzing, elongated consonant that can blur with the preceding /ɪ/. Keeping the middle /l/ soft and the onset stressed syllable clear helps. Focus on the /ɪ/–/zɪz/ transition and avoid adding extra vowels.
A unique aspect is the cluster after the stressed syllable: /pleɪ.zɪz/ combines /pleɪ/ and a two-phoneme tail /zɪz/ requiring precise voicing and air flow. The final two sounds demand a quick, continuous release from the preceding /eɪ/ into a voiced /z/ before pluralizing—so you should avoid a halting stop and keep the /z/ fricative smooth. This is particularly noticeable in rapid speech.
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- US: maintain rhotic clarity, slight vowel reduction in rapid speech; emphasize the /ɪ/ in the first syllable and the /eɪ/ in the second with a crisp /z/ ending. - UK: crisper consonants, less vowel reduction, keep /ɪ/ slightly shorter, ensure the /z/ is fully voiced in fluent speech. - AU: clearer vowels, more unrounded lip shapes in /ɪ/ and a smoother transition into /zɪz/; keep intonation natural with minimal pitch rise on the second syllable.
Replace entered English in the 14th century via Old French replacer, from re- (back, again) + placer (to place). The sense evolved from “to place again” to “to substitute one thing for another” as medieval and early modern English speakers described restoration or substitution in legal, mechanical, and social contexts. The verb appears in various forms across Romance-derived languages with cognates in Spanish reemplazar and Italian rimpiazzare, reflecting a broad Indo-European root meaning to set or position anew. By Middle English, replace carried the nuance of putting back or substituting something for another in a way that implies reversal of prior placement. The noun form related to substitution and replacement exists in modern English, but the most common modern usage preserves the verb’s sense of substitution or renovation, especially in technical, logistical, and administrative contexts. First known uses are documented in legal and mercantile texts where assets or terms were replaced or re-assigned, aligning with broader patterns of inventory and process control in medieval and early modern commerce. Over time, replace has broadened to everyday usage in both transitive and intransitive constructions, and in compositional phrases like “replaces with” or “replaced by,” reflecting a flexible phrasal dynamic in contemporary English.
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💡 These words have similar meanings to "replaces" and can often be used interchangeably.
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Words that rhyme with "replaces"
-ces sounds
-ses sounds
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