toh-KAH-yoh[toˈkaʝo]
someone who carries the same first name as you — your namesake, and greeted as one
Closest in English: namesake, namesakes, name-twin. None of them covers it.
The trail is disputed, but the likeliest source is Classical Nahuatl tocayoh, one who has a name. In Mexico two men called Luis will greet each other as tocayo and drop the surname altogether. English keeps namesake for the formal version and stops there.
Contains the answers. If you want to play the word yourself first, leave this closed.
Harder than most words so far.
Round four, meaning, was where most points went.