quod.

what for, why, wherefore, that: with est and a previous referent (nihil, hoc, etc.): because of which, for which

what for, why, wherefore, that: with habeō

what for, why, wherefore, that: without the referent

what for, why, wherefore, that: alone

introducing a sentence: to this purpose, regarding this; that is why

introducing a sentence: with sī (and/but if), nisī (and/but though), utinam ((and/but) if ever), ubī, quia, quoniam, etc.

often used with adverbs or adverbial locatives: because, in that, as

ideo/idcirco quod

introducing a clause: since, because subject or attribute of a main verb

introducing a clause: since, because subordinate to an adverbial demonstrative or diacritical adverb

introducing a clause: since, because in apposition, explaining a noun: that is

with the subjunctive: as to the fact, when, whereas, in case that, if it be so that, suppose that

regarding, concerning the fact, that, as to the fact, whereas introducing a sentence

regarding, concerning the fact, that, as to the fact, whereas repeated

regarding, concerning the fact, that, as to the fact, whereas inside a sentence

with restrictive adverbs

nisi/tantum quod

modō quod

used instead of an infinitive clause: that after verbs of feeling or declaring

used instead of an infinitive clause: that after faciō or facile est, in (+ gerund)

bene fecisti, quod ad me venisti

used instead of an infinitive clause: that also used freely

since (temporal)

that (in indirect speech)