Welsh cyn-

← Proto-Brythonic *kɨnt (inherited)

← Proto-Brythonic *köβ̃- (inherited)

← Cornish kyn- (cognate)

← Cornish kyns- (cognate)

← Cornish ken- (cognate)

→ Welsh cynnes (prefix)

→ Welsh cynnull (compound)

→ Welsh cynhadledd (affix)

→ Welsh cynllun (prefix)

→ Welsh cynddelw (affix)

→ Welsh cynradd (affix)

→ Welsh cynneddf (affix)

→ Welsh cynhaeaf (affix)

→ Welsh cymhleth (affix)

→ Welsh cynrychioli (prefix)

→ Welsh cynllunio (prefix)