- ис- (is-) (before voiceless consonants)
- изо- (izo-) — before certain consonant clusters
- ис- (is-) — before voiceless consonants
Prefix
из- • (iz-)
- out from
- изо- (izo-) + -йти́ (-jtí, “to go”) → изойти́ (izojtí, “to emanate, to originate, to come from”)
- When added to a verb, it may form a verb with a sense of completeness, abundance or exhaustion.
- из- (iz-) + укра́сить (ukrásitʹ, “to decorate”) → изукра́сить (izukrásitʹ, “lavishly decorate”)
- When added to a verb, it may form a verb with a sense of destruction, ruined due to use.
- ис- (is-) + писа́ть (pisátʹ, “to write”) → исписа́ть (ispisátʹ, “write upon, cover with notes, write over”)
- When added to nouns, especially when they have the suffix -ье, it indicates location of an object.
- из- (iz-) + голова́ (golová, “head”) + -ье (-ʹje) → изголо́вье (izgolóvʹje, “head of the bed”)
- When added to adjectives for colours/colors, an adverb is formed indicating nuance.
- из- (iz-) + жёлтый (žóltyj, “yellow”) + бу́рый (búryj, “brown”) → и́зжелта-бу́рый (ízželta-búryj, “yellowish-brown”)
- When added to nouns, it may form an adverb indicating spatial or temporal properties. Usually in archaic or highly formal style.
- из- (iz-) + даль (dalʹ, “distance”) + -и (-i, genitive singular) → и́здали (ízdali, “from afar”)
- When added to adverbs, it can form an adverb with a sense of direction for an action.
- из- (iz-) + внутри́ (vnutrí, “interior, inside”) → изнутри́ (iznutrí, “from within, from inside”)