Pronunciation: [bɪkˈʌmd] (IPA) 
"Becomed" is not a correct spelling of the word "become." The correct pronunciation of "become" is /bɪˈkʌm/. The root "come" is pronounced /kʌm/ and the prefix "be-" is pronounced /biː/, making the correct spelling "become." It is important to use correct spelling to effectively communicate in writing. Common errors in spelling can detract from the clarity of a message and could potentially cause confusion.
The word "becomed" is not a recognized term in English. It appears to be a variation or misspelling of the word "become", which has a different etymology. The word "become" originated from Old English "becuman", which meant "to come to be" or "to happen". It is derived from the combination of two Old English words: "be-" (meaning "to be" or "to happen") and "cuman" (meaning "to come"). Over time, the word "become" came to represent the idea of transitioning or changing into something different.
