The spelling of "wast tantamount" may seem confusing at first glance, but it follows the standard phonetic rules of English. "Wast" is an archaic form of "was" and is pronounced as /wɑːst/. "Tantamount" is spelled as it sounds, with the stress on the second syllable and pronounced as /ˈtæn.tə.maʊnt/. Together, the phrase means "was equivalent to" or "was as good as." Despite its unusual spelling, "wast tantamount" is a valid phrase in English language and literature.