clinch vs pugilism

clinch and pugilism both are nouns.

Word	Noun	Adjective	Verb	Adverb
clinch	Yes	No	Yes	No
pugilism	Yes	No	No	No

clinch (noun)	pugilism (noun)
(boxing) the act of one boxer holding onto the other to avoid being hit and to rest momentarily	fighting with the fists
a tight or amorous embrace
the flattened part of a nail or bolt or rivet
a small slip noose made with seizing
a device (generally used by carpenters) that holds things firmly together

clinch (verb)	pugilism (verb)
settle conclusively
flatten the ends (of nails and rivets)
secure or fasten by flattening the ends of nails or bolts
hold in a tight grasp
embrace amorously
hold a boxing opponent with one or both arms so as to prevent punches