Proto-Celtic *slougos

→ English slew (derived)

→ English slogan (derived)

→ Welsh teulu (inherited)

→ Welsh llu (inherited)

→ Irish slua (inherited)

→ Scottish Gaelic sluagh (inherited)

→ Cornish teylu (inherited)

→ Middle Irish slúagh (inherited)

→ Polish slogan (derived)

→ Old Irish teglach (mention)

→ Old Irish slóg (inherited)