extremity vs bounds

extremity and bounds both are nouns.

Word	Noun	Adjective	Verb	Adverb
extremity	Yes	No	No	No
bounds	Yes	No	No	No

As nouns, bounds is a hyponym of extremity; that is, bounds is a word with a more specific, narrower meaning than extremity:

Other hyponyms of extremity include bound, boundary, end, terminal, extreme, extreme point, extremum, limit.

extremity (noun)	bounds (noun)
an external body part that projects from the body	the line or plane indicating the limit or extent of something
that part of a limb that is farthest from the torso
the outermost or farthest region or point
the greatest or utmost degree
an extreme condition or state (especially of adversity or disease)