HOBNAIL is a playable word

hobnail Scrabble® Dictionary

verb
hobnailed, hobnailing, hobnails
to put hobnails (short nails with a broad head) on a shoe sole
77 Playable Words can be made from "HOBNAIL"
   2-Letter Words (20 found)
   3-Letter Words (30 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)