entail vs fee-tail

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

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

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

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

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

entail (verb)	fee-tail (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