fossilist, n. paleontologist.
fossilization, n. fossilification, lapidification.
fossilize, v. [petrify], lapidify; mummify.
fossilized, a. petrified; [antiquated], [old-fashioned].
foster, v. [nourish], [nurse], [support]; [promote], [encourage], [advance].
foul, a. [filthy], [squalid], [dirty], polluted; [scurrilous], [abusive], [obscene], [insulting], blasphemous, vituperative, [vulgar]; [shameful], [detestable], [odious], [abominable], loathsome, [disgusting], [repulsive], [offensive]; unpropitious, [unfavorable]; feculent, [roily], turbid, dreggy, dreggish.
foul, v. [defile], [soil], [dirty], [pollute].
foul-mouthed, a. [scurrilous], opprobrious, [abusive]; blasphemous, [profane], [obscene], [smutty].
found, v. [establish], [plant], institute; [cast], [form], [mould].
foundation, n. substructure, [base], [groundwork]; founding [establishment]; [endowment]; grillage. Antonym: superstructure. Associated words: [fundamental], basic, caisson.