How do you pronounce "cosmos"?

In American English: /ˈkɑːzmoʊs/ (KAHZM-ohs). In British English: /kˈɒzmɒs/ (K-ozm). In Canadian English: /ˈkɑːzmoʊs/ (KAHZM-ohs). In Australian English: /kˈɒzmɒs/ (K-ozm).

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

Yes. In American English it's pronounced /ˈkɑːzmoʊs/ (KAHZM-ohs), while in British English it's /kˈɒzmɒs/ (K-ozm).

How to Pronounce "cosmos"

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cosmos

regional

/ˈkɑːzmoʊs/

KAHZM-ohs

Syllable Breakdown

kɑːzmcos·oʊsmos

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14