secpar vs parsec

secpar and parsec both are nouns.

Word	Noun	Adjective	Verb	Adverb
secpar	Yes	No	No	No
parsec	Yes	No	No	No

As nouns, secpar and parsec are synonyms defined as:

secpar and parsec: a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years

secpar (noun)	parsec (noun)
a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years	a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years