-ко

Etymology
and (the later causing palatalization of preceding velars).

Suffix

 * (adjectives in -ък lose the ending)
 * (adjectives in -ен lose the ending)
 * (adjectives in -ък lose the ending)
 * (adjectives in -ен lose the ending)
 * (adjectives in -ък lose the ending)
 * (adjectives in -ен lose the ending)
 * (adjectives in -ък lose the ending)
 * (adjectives in -ен lose the ending)
 * (adjectives in -ък lose the ending)
 * (adjectives in -ен lose the ending)
 * (adjectives in -ен lose the ending)

Etymology
.

Suffix

 * 1) Forms correlatives of modality

Derived terms
како, тако, инако, онако, единако, сице

Etymology
.

Usage notes

 * The suffix is added to the stem of the word (i.e. minus its final vowel, if any). An epenthetic vowel often breaks up stem-final consonant clusters, and velars become palatals according to the (both effects are due to the yer that occurred at the Proto-Slavic level). These effects can be seen in, derived from , and , derived from , itself containing the same diminutive ending. (Specifically, starting from the stem *тихо́ньк-, a vowel is epenthesized, producing тихо́нек-, and the final velar is palatalized, producing тихо́неч-.) In general, the combination -ко + -ко produces  or.