hole vs hole out

hole is a noun but hole out is not a noun.

Word	Noun	Adjective	Verb	Adverb
hole	Yes	No	Yes	No
hole out	No	No	Yes	No

As verbs, hole and hole out are synonyms defined as:

hole (noun)	hole out (noun)
an opening deliberately made in or through something
one playing period (from tee to green) on a golf course
informal terms for the mouth
an opening into or through something
a depression hollowed out of solid matter
an unoccupied space
informal terms for a difficult situation
a fault

hole (verb)	hole out (verb)
make holes in	hit the ball into the hole
hit the ball into the hole