As adjectives the difference between bristlier and gristlier
is that bristlier is comparative of bristly while gristlier is comparative of gristly.
bristlier
English
Adjective
(head)
(bristly)
bristly
English
Alternative forms
* brisly
Adjective
(er)
Covered with bristles.
Easily antagonized; irascible; prone to bristling.
gristlier
English
Adjective
(head)
(gristly)
gristly
English
Adjective
(er)
Of, pertaining to, or containing gristle