Finnish

Suffix

-ikko ‎(front vowel harmony variant -ikkö)

1. Forms nouns for groups of a particular number.

   kaksi ‎(“two”) + ‎-ikko → ‎kaksikko ‎(“group of two, duo”)

   neljä ‎(“four”) + ‎-ikko → ‎nelikko ‎(“group of four”)

2. Forms nouns for groups of something, often plants.

   haapa ‎(“aspen”) + ‎-ikko → ‎haavikko ‎(“group of aspen trees, aspen forest”)

   taimi ‎(“sapling”) + ‎-ikko → ‎taimikko ‎(“group of saplings, recently planted forest”)

   porras ‎(“step”) + ‎-ikko → ‎portaikko ‎(“set of steps, staircase”)

3. Forms nouns for a (land) surface covered in something.

   nurmi ‎(“grass”) + ‎-ikko → ‎nurmikko ‎(“lawn”)

   ruoko ‎(“reed”) + ‎-ikko → ‎ruoikko ‎(“reed bed”)

   somero ‎(“rough gravel”) + ‎-ikko → ‎somerikko ‎(“ground covered in rough gravel”)

   lumme ‎(“waterlily”) + ‎-ikko → ‎lumpeikko ‎(“water covered in waterlilies”)

   hieta ‎(“sand”) + ‎-ikko → ‎hietikko ‎(“expanse of sand”)

4. Forms nouns for land characterised by something in general.

   ranta ‎(“shore”) + ‎-ikko → ‎rannikko ‎(“coast”)

   aava ‎(“open, wide”) + ‎-ikko → ‎aavikko ‎(“desert”)

   kostea ‎(“wet, moist”) + ‎-ikko → ‎kosteikko ‎(“wetland”)

Inflection

Derived terms