dwarf

nouns

a person who is markedly small
a legendary creature resembling a tiny old man; lives in the depths of the earth and guards buried treasure
a plant or animal that is atypically small
is a type of (narrower)
a living thing that has (or can develop) the ability to act or function independently

verbs

make appear small by comparison
"This year's debt dwarfs that of last year"
check the growth of
"the lack of sunlight dwarfed these pines"
is a type of (narrower)
check the growth or development of
"You will stunt your growth by building all these muscles"