3 syllables

underfoot • understood

1 syllable

book • brook • cook • hook • look • shook • took

foot • put • soot • bush • push • could • good • should • stood • wood • would • roof • books • brooks • cooked • cooks • hooks • looked • looks

2 syllables

forsook • mistook • unhook

outlook

barefoot • output • ambush • childhood • falsehood • firewood • greenwood • manhood • priesthood • withstood • wormwood • outlooks • unhooks

3 syllables

overtook

overlook

underfoot • brotherhood • childhood • fatherhood • firewood • motherhood • neighborhood • understood • overlooked • overlooks

4 syllables

misunderstood