manoeuvre vs plan of action

manoeuvre and plan of action both are nouns.

Word	Noun	Adjective	Verb	Adverb
manoeuvre	Yes	No	Yes	No
plan of action	Yes	No	No	No

As nouns, plan of action is a hypernym of manoeuvre; that is, plan of action is a word with a broader meaning than manoeuvre:

manoeuvre (noun)	plan of action (noun)
a move made to gain a tactical end	a plan for actively doing something
an action aimed at evading an opponent
a military training exercise
a deliberate coordinated movement requiring dexterity and skill
a plan for attaining a particular goal

manoeuvre (verb)	plan of action (verb)
perform a movement in military or naval tactics in order to secure an advantage in attack or defense
direct the course; determine the direction of travelling
act in order to achieve a certain goal