How do you pronounce "interfaces"?

In American English: /ˈɪntɝˌfeɪsɪz/ (INT-ur-fays-iz). In British English: /ˈɪntəfˌeɪsɪz/ (INT-uhf-ays-iz). In Canadian English: /ˈɪntɝˌfeɪsɪz/ (INT-ur-fays-iz). In Australian English: /ˈɪntəfˌeɪsɪz/ (INT-uhf-ays-iz).

Is "interfaces" pronounced differently in American and British English?

Yes. In American English it's pronounced /ˈɪntɝˌfeɪsɪz/ (INT-ur-fays-iz), while in British English it's /ˈɪntəfˌeɪsɪz/ (INT-uhf-ays-iz).

How to Pronounce "interfaces"

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interfaces

regional

/ˈɪntɝˌfeɪsɪz/

INT-ur-fays-iz

Syllable Breakdown

ɪntin·ɝter·feɪsfa·ɪzces

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14