finger-spell vs fingerspell

finger-spell and fingerspell both are verbs.

Word	Noun	Adjective	Verb	Adverb
finger-spell	No	No	Yes	No
fingerspell	No	No	Yes	No

As verbs, finger-spell and fingerspell are synonyms defined as:

finger-spell and fingerspell: communicate by means of specific gestures, as an alternative to sign language

finger-spell (verb)	fingerspell (verb)
communicate by means of specific gestures, as an alternative to sign language	communicate by means of specific gestures, as an alternative to sign language