lying in wait vs ambuscade

lying in wait and ambuscade both are nouns.

Word	Noun	Adjective	Verb	Adverb
lying in wait	Yes	No	No	No
ambuscade	Yes	No	Yes	No

As nouns, lying in wait and ambuscade are synonyms defined as:

lying in wait and ambuscade: the act of concealing yourself and lying in wait to attack by surprise

Other synonyms of lying in wait include ambush, trap.

lying in wait (noun)	ambuscade (noun)
the act of concealing yourself and lying in wait to attack by surprise	the act of concealing yourself and lying in wait to attack by surprise

lying in wait (verb)	ambuscade (verb)
	wait in hiding to attack