boundary vs lineation

boundary and lineation both are nouns.

Word	Noun	Adjective	Verb	Adverb
boundary	Yes	No	No	No
lineation	Yes	No	No	No

As nouns, lineation is a hyponym of boundary; that is, lineation is a word with a more specific, narrower meaning than boundary:

boundary (noun)	lineation (noun)
the greatest possible degree of something	the act of marking or outlining with lines
the line or plane indicating the limit or extent of something	the line that appears to bound an object
a line determining the limits of an area