What words besides EXINES can take an S at the beginning and end, but only both together?

language/english/spelling/operations.on.words/s.s.words New

New entry, edited from material collected for the archive and not yet in a released version.

Problem

What words besides EXINES can take an S at the beginning and end, but
only both together?  (SEXINESS is good, but not SEXINES or EXINESS.)

-- Steve Gordon (in a private communication to John Chew)

Show solution

Common to both OSPD2+MW10 and OSW3 are: AROSE EXINES LOUCHE TINGLES
Unique to OSPD2+MW10 are:               AGENES AN US
Unique to OSW3 are:                     KIRTLES LYNES

-- John Chew <jjchew@math.utoronto.ca>  (crossword-games list, November
   1994)