yeoman vs beefeater

yeoman and beefeater both are nouns.

Word	Noun	Adjective	Verb	Adverb
yeoman	Yes	No	No	No
beefeater	Yes	No	No	No

As nouns, yeoman and beefeater are synonyms defined as:

yeoman and beefeater: officer in the (ceremonial) bodyguard of the British monarch

Other synonyms of yeoman include yeoman of the guard.

yeoman (noun)	beefeater (noun)
in former times was free and cultivated his own land	officer in the (ceremonial) bodyguard of the British monarch
officer in the (ceremonial) bodyguard of the British monarch