Welsh rhif

← Proto-Brythonic *rriβ̃ (inherited)

← Proto-Celtic *rīmā (inherited)

→ English rhyme (cognate)

→ Welsh rhifo (suffix)

→ Welsh rhifydd (suffix)

→ Welsh rhifol (suffix)

→ Welsh cyfrif (affix)

→ Welsh canrif (compound)

→ Welsh rhifau (affix)

→ Welsh di-rif (affix)

→ Irish ríomh- (cognate)

→ Irish ríomh (cognate)