gruppa

Borrowed from Russian группа (gruppa).

gruppa

group
- 1936, V. I. Junus, Iƶoran Keelen Grammatikka‎, Leningrad: Riikin Ucebno-pedagogiceskoi Izdateljstva, page 3:
  Iƶorat laatiit kansan, kumpa keelen poolest kuuluu läns-fenniläisiin kansoin gruppaa ja sil viisii i iƶoroin keeli kuuluu läns-fenniläisee keelisisteemaa.
  The Ingrians make up a people, that based on their language belongs to the group of Finnic peoples and as such the language of Ingrians also belongs to the Finnic language family.

More information Declension of (type 3/kana, pp-p gradation), singular ...

Ruben E. Nirvi (1971), Inkeroismurteiden Sanakirja, Helsinki: Suomalais-Ugrilainen Seura, page 209

Declension of gruppa (type 3/kana, pp-p gradation)
	singular	plural
nominative	gruppa	grupat
genitive	grupan	gruppoin
partitive	gruppaa	gruppoja
illative	gruppaa	gruppoi
inessive	grupas	grupois
elative	grupast	grupoist
allative	grupalle	grupoille
adessive	grupal	grupoil
ablative	grupalt	grupoilt
translative	grupaks	grupoiks
essive	gruppanna, gruppaan	gruppoinna, gruppoin
exessive¹⁾	gruppant	gruppoint
¹⁾ obsolete ^) the accusative* corresponds with either the genitive (sg) or nominative (pl) ^) the comitative** is formed by adding the suffix -ka^? or -kä^? to the genitive.

Ingrian