Latin sincerus

← Proto-Indo-European *sem- (derived)

← Proto-Indo-European *ḱer- (mention)

← Proto-Italic *senkairos (inherited)

← Latin simplex (mention)

← Latin *caerus (mention)

← Latin caerimōnia (mention)

← Sanskrit सम (cognate)

← Sanskrit किर् (cognate)

→ English cereal (mention)

→ English sincere (derived)

→ Catalan sincer (derived)

→ Spanish sincero (derived)

→ French sincère (borrowed)

→ Galician sincero (derived)

→ Latin sinceritas (affix)

→ Portuguese sincero (derived)

→ Romanian sincer (mention)