lackey vs sycophant

lackey and sycophant both are nouns.

Word	Noun	Adjective	Verb	Adverb
lackey	Yes	No	No	No
sycophant	Yes	No	No	No

As nouns, lackey and sycophant are synonyms defined as:

lackey and sycophant: a person who tries to please someone in order to gain a personal advantage

Other synonyms of lackey include ass-kisser, crawler, toady.

lackey (noun)	sycophant (noun)
a male servant (especially a footman)	a person who tries to please someone in order to gain a personal advantage
a person who tries to please someone in order to gain a personal advantage