fee-tail vs entail

fee-tail is not a noun while entail is a noun.

Word	Noun	Adjective	Verb	Adverb
fee-tail	No	No	Yes	No
entail	Yes	No	Yes	No

As verbs, fee-tail and entail are synonyms defined as:

fee-tail and entail: limit the inheritance of property to a specific class of heirs

fee-tail (noun)	entail (noun)
	the act of entailing property; the creation of a fee tail from a fee simple
	land received by fee tail

fee-tail (verb)	entail (verb)
limit the inheritance of property to a specific class of heirs	limit the inheritance of property to a specific class of heirs
	impose, involve, or imply as a necessary accompaniment or result
	have as a logical consequence