thenar vs head line

thenar and head line both are nouns.

Word	Noun	Adjective	Verb	Adverb
thenar	Yes	Yes	No	No
head line	Yes	No	No	No

thenar (noun)	head line (noun)
the inner surface of the hand from the wrist to the base of the fingers	A head line is a crease on the palm said to represent the person's mind and the way it works, including learning style, communication style, intellectualism, and thirst for knowledge.
the fleshy area of the palm at the base of the thumb

thenar (adjective)	head line (adjective)
of or relating to the palm of the hand or to the area at the base of the thumb