-άκος

From άκ(ι) (ák(i), diminutive neuter suffix) +‎ -ος (-os, suffix for masculines) ^[1]

• IPA^(key): /ˈa.kos/
• Hyphenation: -ά‧κος

-άκος • (-ákos) m

1. a diminutive suffix
   1. for common nouns

      ‎δρόμος m (drómos, “street”) + ‎-άκος (-ákos) → ‎δρομάκος (dromákos, “a small street”)

      ‎ύπνος m (ýpnos, “a sleep”) + ‎-άκος (-ákos) → ‎υπνάκος (ypnákos, “a nap”)

   2. for common nouns with diminutive for age (very young) and/or derogatory sense

      ‎δάσκαλος m (dáskalos, “teacher”) + ‎-άκος (-ákos) → ‎δασκαλάκος (daskalákos, “a poor or very young teacher”)

      ‎έμπορος m (émporos, “salesman”) + ‎-άκος (-ákos) → ‎εμποράκος (emporákos, “a poor, insignifcant or very young salesman”)

   3. for proper nouns like masculine first names and their derived family names

      ‎Δημήτρης (Dimítris) + ‎-άκος (-ákos) → ‎Δημητράκος (Dimitrákos) male given name > male surname

      • the female's surname ending is -άκου (-ákou) (indeclinable)

Note, the different vocative singular in -ο from nouns like δρόμος (drómos) with -ε.