hour hand vs little hand

hour hand and little hand both are nouns.

Word	Noun	Adjective	Verb	Adverb
hour hand	Yes	No	No	No
little hand	Yes	No	No	No

As nouns, hour hand and little hand are synonyms defined as:

hour hand and little hand: the shorter hand of a clock that points to the hours

hour hand (noun)	little hand (noun)
the shorter hand of a clock that points to the hours	the shorter hand of a clock that points to the hours