How Do You Spell BILLOWN?

Pronunciation: [bˈɪlə͡ʊn] (IPA)

Correct spelling for the English word "billown" is [bˈɪlə͡ʊn], [bˈɪlə‍ʊn], [b_ˈɪ_l_əʊ_n] (IPA phonetic alphabet).