horologe vs timekeeper

horologe and timekeeper both are nouns.

Word	Noun	Adjective	Verb	Adverb
horologe	Yes	No	No	No
timekeeper	Yes	No	No	No

As nouns, horologe and timekeeper are synonyms defined as:

horologe and timekeeper: a measuring instrument or device for keeping time

Other synonyms of horologe include timepiece.

horologe (noun)	timekeeper (noun)
a measuring instrument or device for keeping time	a measuring instrument or device for keeping time
	a clerk who keeps track of the hours worked by employees
	(sports) an official who keeps track of the time elapsed