marginible

a portmanteau of "marginal" and "negligible".

the discrepancies caused by our tech are marginible.

marginible by majus23 May 24, 2018

marginable 

a word used by the uneducated to mean 'marginal'

Cleaning scratched eyeglasses will only result in a marginable improvement.

marginable by Blitz$M.Inc.$ June 13, 2010