se substituer, v.r., to substitute one’s self; to supersede, to replace.
substitut, n.m., substitute, deputy, delegate, surrogate.
substitution, n.f., substitution; (jur.) entail; (jur.) estate in tail.
substratum (-tom), n.m., (n.p.) (philos.) substratum.
substruction, n.f., (arch.) substructure.
substructure, n.f., substructure.
subterfuge, n.m., subterfuge, evasion, shift.
subtil, -e, adj., subtile, thin, fine; acute, keen, sharp, quick, sagacious; ready, dexterous; cunning, smart, shrewd, artful, crafty.
subtilement (-til-mān), adv., subtly, artfully, slyly; finely, cunningly, dexterously; acutely, sharply, smartly.
subtilisation, n.f., (chem.) subtilization.