Fallback is a compound word. Falloff and fallout are compound words.
The answer is become.
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One such word is whenever.
zebralicious
airtimeanytimebedtimedowntimelunchtimemealtimeovertimeplaytimesometimespringtimesummertimetimebasetimeouttimesharewintertime
Doable
Applesauce is a compound word that starts with "a".
A word to describe you starting with the letter c is cute.
Snail
roommate
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