straight-arm vs evasive action

straight-arm and evasive action both are nouns.

Word	Noun	Adjective	Verb	Adverb
straight-arm	Yes	No	No	No
evasive action	Yes	No	No	No

As nouns, evasive action is a hypernym of straight-arm; that is, evasive action is a word with a broader meaning than straight-arm:

straight-arm: (American football) the act of warding off a tackler by holding the arm fully extended with the hand against the opponent
evasive action: an action aimed at evading an opponent

Other hypernyms of straight-arm include maneuver, manoeuvre.

straight-arm (noun)	evasive action (noun)
(American football) the act of warding off a tackler by holding the arm fully extended with the hand against the opponent	an action aimed at evading an opponent