How do you pronounce "costing"?

In American English: /ˈkɔstɪŋ/ (KAWST-ing). In British English: /kˈɒstɪŋ/ (K-ost). In Canadian English: /ˈkɔstɪŋ/ (KAWST-ing). In Australian English: /kˈɒstɪŋ/ (K-ost).

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

Yes. In American English it's pronounced /ˈkɔstɪŋ/ (KAWST-ing), while in British English it's /kˈɒstɪŋ/ (K-ost).

How to Pronounce "costing"

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costing

regional

/ˈkɔstɪŋ/

KAWST-ing

Syllable Breakdown

kɔstcost·ɪŋing

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14