How Do You Spell GROUND-EFFECT MACHINE?

Correct spelling for the English word "ground-effect machine" is [ɡɹˈa͡ʊndɪfˈɛkt məʃˈiːn], [ɡɹˈa‍ʊndɪfˈɛkt məʃˈiːn], [ɡ_ɹ_ˈaʊ_n_d_ɪ_f_ˈɛ_k_t m_ə_ʃ_ˈiː_n] (IPA phonetic alphabet).

Plural form of GROUND-EFFECT MACHINE is GROUND-EFFECT MACHINES

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