collateral vs lineal

collateral is a noun but lineal is not a noun.

Word	Noun	Adjective	Verb	Adverb
collateral	Yes	Yes	No	No
lineal	No	Yes	No	No

collateral (noun)	lineal (noun)
a security pledged for the repayment of a loan

collateral (adjective)	lineal (adjective)
descended from a common ancestor but through different lines	in a straight unbroken line of descent from parent to child
situated or running side by side	arranged in a line
additional but secondary; auxiliary;
occurring with or following as a consequence
serving to support or corroborate