English underking

← Old English undercing (inherited)

← Old English undercyning (mention)

← Danish onderkonge (cognate)

← German Unterkönig (cognate)

← English under (prefix)

← English king (prefix)

← Middle English underking (inherited)

← Dutch onderkoning (cognate)

← Swedish underkung (cognate)

→ English underkingdom (suffix)