mons pubis vs fatty tissue

mons pubis and fatty tissue both are nouns.

Word	Noun	Adjective	Verb	Adverb
mons pubis	Yes	No	No	No
fatty tissue	Yes	No	No	No

As nouns, fatty tissue is a hypernym of mons pubis; that is, fatty tissue is a word with a broader meaning than mons pubis:

mons pubis: a mound of fatty tissue covering the pubic area in women
fatty tissue: a kind of body tissue containing stored fat that serves as a source of energy; it also cushions and insulates vital organs

Other hypernyms of mons pubis include adipose tissue, fat.

mons pubis (noun)	fatty tissue (noun)
a mound of fatty tissue covering the pubic area in women	a kind of body tissue containing stored fat that serves as a source of energy; it also cushions and insulates vital organs