Why

"Why" in Russian

заче́м

začém

((interrogative) for what reason)

отчего́

otčevó

((interrogative) for what reason)

почему́

počemú

((interrogative) for what reason)

как

kak

(exclamation of surprise)

о

o

(exclamation of surprise)

ого́

ogó

(exclamation of surprise)

причи́на

pričína

(the reason)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.