3 syllables

underfoot • undertook

1 syllable

could • good • should • stood • wood • would

foot • put • soot • book • brook • cook • hook • look • shook • took • bush • push • roof • goods • woods

2 syllables

withstood

childhood • falsehood • firewood • greenwood • manhood • priesthood • wormwood

barefoot • output • forsook • mistook • outlook • unhook • ambush • priesthoods

3 syllables

brotherhood • childhood • fatherhood • firewood • motherhood • neighborhood

underfoot • overlook • overtook • undertook • neighborhoods

4 syllables

misunderstood