French rat

← Middle French rat (inherited)

← Old French rat (inherited)

→ Seychellois Creole lera (derived)

→ German Ratte (cognate)

→ French rate (suffix)

→ French rater (mention)

→ French rater (link)

→ French raton (affix)

→ French ratière (suffix)

→ French dératiser (affix)

→ Mauritian Creole lera (derived)

→ Romanian raticid (borrowed)