1 Syllabe
tact, tract
2 Syllabes
abstract, acte, actes, ambact, compact, contact, contacts, exact, exacts, impact, intact, intacts, pacte, pactes
3 Syllabes
anexact, artefact, artéfact, entr'acte, entracte, harpacte, harpactes, inexact, intacte, tesseract, écofact, épacte
4 Syllabes
agalacte, cataphracte, cataracte, inexacte, paracompact, planches-contacts
6 Syllabes
autodidacte, hétérodidacte