lengthwise vs linear

lengthwise and linear both are adjectives.

Word	Noun	Adjective	Verb	Adverb
lengthwise	No	Yes	No	Yes
linear	No	Yes	No	No

lengthwise (adjective)	linear (adjective)
running or extending in the direction of the length of a thing	of or in or along or relating to a line; involving or having a single dimension
	designating or involving an equation whose terms are of the first degree
	of a circuit or device having an output that is proportional to the input
	measured lengthwise
	(of a leaf shape) long and narrow

lengthwise (adverb)	linear (adverb)
in the direction of the length