Suffix
-ък • (-ǎk) m
- Deadjectival, denoting a carrier of the specified property (rare)
- пети (peti, “fifth”) + -ък (-ǎk) → петък (petǎk, “Friday”)
- четвърти (četvǎrti, “fourth”) + -ък (-ǎk) → четвъртък (četvǎrtǎk, “Thursday”)
- жълт (žǎlt, “yellow”) + -ък (-ǎk) → жълтък (žǎltǎk, “egg yolk”)
- бял (bjal, “white”) + -ък (-ǎk) → белтък (beltǎk, “egg white”)
- Deverbal from the past participle in -т (-t), denotes resultant nouns of the specified action.
- добивам (dobivam, “to extract, to obtain”) → добит (dobit) → добитък (dobitǎk, “cattle”)
- свивам (svivam, “to bend into an arc or circle”) → свит (svit) → свитък (svitǎk, “a scroll”)
- Deverbal, denotes an instance of the specified action
- тласкам (tlaskam, “to push, to press”) + -ък (-ǎk) → тласък (tlasǎk, “a push”)
- пискам (piskam, “to scream”) + -ък (-ǎk) → писък (pisǎk, “a scream”)
- From nouns, forms adjectives with pertaining meaning
- жар (žar, “embers”) + -ък (-ǎk) → жарък (žarǎk, “hot, scorching”)
- тежест (težest, “weight, burden”) + -ък (-ǎk) → тежък (težǎk, “heavy”)
- горест (gorest, “sorrow, grief”) + -ък (-ǎk) → горък (gorǎk, “sorrowful”)
- Non-productive adjective suffix which corresponded to doublet forms in Proto-Slavic, e.g.:
- гладък (gladǎk), дързък (dǎrzǎk), крепък (krepǎk), крехък (krehǎk)