Non-productive morphemes in Turkic

-A (N→V)

• alsız - weak; alsıra- - to weaken (v.i.)
• boş - empty; boşo- - to empty (v.i.)
• at - name; ata- - to call/name (v.t.)
• san - number; sana- - to count/enumerate (v.t.)
• jaş - age (n.) / young; jaşa- - to live (v.i.)
• aş - food; aşa- - to eat by stuffing food into mouth from hands (one's own or other's)

-Ay (N→V)

• az - little (in quantity); azay- - to lessen (v.i.)
• çoŋ - big; çoŋoy- - to grow (v.i.)
• köp - a lot; köböy- - to increase in quantity (v.i.)
• keŋ - wide; keŋey- - to get wide (v.i.)

r/z alternations

• köz - eye; kör- - see
• semiz - fat (adj.); semir- - to get fat

∅ (X↔V?)

• köp - a lot; köp- - to swell, get big (in volume, not mass), rise (of dough)
• toŋ - frozen ground(?); toŋ- to freeze (v.i.)
• qızıq - interesting (adj.); qızıq- - to be interested by (v.i.?)

-Ar (N→V)

• suu - water; suğar- - to water (v.t.)
• jaş - age (n.) / young; jaşar- - to get/look younger