Correct spelling for the English word "wast incorrect" is [wɒst ɪnkəɹˈɛkt], [wɒst ɪnkəɹˈɛkt], [w_ɒ_s_t ɪ_n_k_ə_ɹ_ˈɛ_k_t] (IPA phonetic alphabet).
The word "wast" is not incorrect; it is a contraction of the archaic pronoun "thou" and the past tense of the verb "to be" in the second-person singular form. The verb "wast" is derived from the Old English word "wǣre", which evolved into "were" in Modern English.