There's a single origin for these Latin suffixes or there's not?
facilis, docilis, utilis
ductilis, reptilis, fusilis, fertilis, prehensilis, pensilis
agilis, habilis, gracilis, fragilis
timibilis, terribilis, edibilis, flebilis, stabilis, nobilis, mobilis (<*dHli- or *bel-i ?)
PIE origin? IE cognates?
Joao S. Lopes