Spanish can

← Catalan ca (cognate)

← French chien (cognate)

← Proto-Indo-European *ḱwṓ (inherited)

← Proto-Indo-European *ḱwónm̥ (mention)

← Italian cane (cognate)

← Proto-Italic *kō (inherited)

← Proto-Italic *kwanem (mention)

← Latin canis (inherited)

← Occitan can (cognate)

← Portuguese cão (cognate)

← Romanian câine (cognate)

← Aromanian cãne (cognate)

← Aromanian cãni (mention)

→ English cantilever (cognate)

→ Spanish perro (mention)

→ Spanish cancerbero (compound)

→ Spanish matacán (affix)

→ Portuguese cão (cognate)

→ Aromanian cãne (mention)

→ Aromanian cãni (mention)

→ Sardinian cane (cognate)