help vs avail

help and avail both are nouns.

Word	Noun	Adjective	Verb	Adverb
help	Yes	No	Yes	No
avail	Yes	No	Yes	No

As nouns, help and avail are synonyms defined as:

Other synonyms of help include service.

As verbs, help and avail are synonyms defined as:

As verbs, avail is a hyponym of help; that is, avail is a word with a more specific, narrower meaning than help:

help (noun)	avail (noun)
the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose	a means of serving
a person or thing that is a resource that helps make something easier or possible to do
a means of serving
a person who contributes to the fulfillment of a need or furtherance of an effort or purpose

help (verb)	avail (verb)
improve the condition of	take advantage of
improve; change for the better	take or use
help to some food; help with food or drink	be of use to, be useful to
take or use
give help or assistance; be of service
contribute to the furtherance of
be of use
abstain from doing; always used with a negative