-lliin

From Proto-Finnic *-llinen. Cognates include Finnish -llinen and Estonian -line.

-lliin

Forms adjectives indicating likeness to or having the characteristics of the suffixed noun: -like
‎tapa (“custom”) + ‎-lliin → ‎tavalliin (“ordinary”)

‎rauha (“peace”) + ‎-lliin → ‎rauhalliin (“peaceful”)

More information Declension of (type 1/jokahiin, no gradation), singular ...

Declension of -lliin (type 1/jokahiin, no gradation)
	singular	plural
nominative	-lliin	-lliset
genitive	-llisen	-llisiin
partitive	-llistä, -llist	-llisiä
illative	-llisee	-llisii
inessive	-llises	-llisis
elative	-llisest	-llisist
allative	-lliselle	-llisille
adessive	-llisel	-llisil
ablative	-lliselt	-llisilt
translative	-lliseks	-llisiks
essive	-llisennä, -lliseen	-llisinnä, -llisiin
exessive¹⁾	-llisent	-llisint
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