Finnish -isin

← Estonian -si (cognate)

← Finnish -inen (mention)

← Proto-Finnic *-icin (inherited)

← Proto-Finnic *-inen (mention)

← Livonian -ž (cognate)

→ Finnish ylösalaisin (affix)

→ Finnish nykyisin (affix)

→ Finnish läpikotaisin (affix)

→ Finnish pyhisin (affix)

→ Finnish lähtöisin (affix)

→ Finnish kotoisin (affix)

→ Finnish kolmisin (affix)

→ Finnish alkuisin (affix)

→ Finnish nelisin (affix)

→ Finnish pyhäisin (affix)

→ Finnish sukuisin (affix)

→ Finnish keskipäivisin (affix)

→ Finnish arkipäivisin (affix)

→ Finnish pyhäaamuisin (affix)

→ Finnish pyhäiltaisin (affix)