Morpheme
Tack
Type
bound base
Denotation
stick, strap, stake
Etymology
French attaquer; Italian attaccare, from staccare (with s- replaced by at-), from distaccare; Middle French destacher; Old French destachier, from estache
Evidence
attack, attackability, attackable, attacked, attackee, attacking, attacklike, attackman, attacks, attackt, attackted, attackworthy, multiattack, nonattack, nonattackable, preattack, reattack, subattack, unattackable, unattacked
Notes
attack and attach are doublets