Solution

развя́зак

razvjázak

(an act, plan or other means, used or proposed, to solve a problem.)

развяза́нне

razvjazánnje

(an act, plan or other means, used or proposed, to solve a problem.)

раство́р

rastvór

(liquid mixture)

рашчы́на

raščýna

(liquid mixture)

рашэ́нне

rašénnje

(an act, plan or other means, used or proposed, to solve a problem.)

ро́шчын

róščyn

(liquid mixture)