clock vs clock face

clock and clock face both are nouns.

Word	Noun	Adjective	Verb	Adverb
clock	Yes	No	Yes	No
clock face	Yes	No	No	No

clock (noun)	clock face (noun)
a timepiece that shows the time of day	the face of a clock showing hours and minutes of the day

clock (verb)	clock face (verb)
measure the time or duration of an event or action or the person who performs an action in a certain period of time