раз

Adverb

 * 1) once

Noun

 * 1) time an instance or occurrence

Etymology
Probably from.

Conjunction

 * 1) if, since

Etymology
, from. Cognate to,. For the semantic shift, compare 🇨🇬.

Noun

 * 1) time an instance or occurrence
 * 2) one
 * 1) one
 * 1) one
 * 1) one
 * 1) one
 * 1) one
 * 1) one

Adverb

 * 1)  once, one day, once upon a time

Conjunction

 * 1)  if, since; as long as

Noun

 * 1) time
 * 2) a case occurring
 * 3) time
 * 4) one
 * 1) a case occurring
 * 2) time
 * 3) one
 * 1) one
 * 1) one
 * 1) one

Usage notes
In the 'ratio of comparison' sense, some sources stipulate that a variant genitive form  should be used after a number containing a decimal point (comma) or after, for instance:.

Adverb

 * 1) once, one day, once upon a time

Conjunction

 * 1)  if; since; as long as