Humans speak roughly 7,000 languages, and every one of them is hiding something — a fossilized prayer, a practical joke, a fruit that got renamed at the border. Cover the answers, lock in each guess, and keep score. Fluency not required; honesty is.

Which country has the most living languages?

Papua New Guinea — about 840, more than one-tenth of all languages on Earth.

Which language has the most native speakers?

Mandarin Chinese — though English wins once you count everyone who learned it second.

What's unusual about Basque, spoken in the Pyrenees?

It's a language isolate — no demonstrated relation to any other living language, an orphan surrounded by Indo-European neighbors.

Which writing systems bookend the alphabet-size records?

Rotokas, in Papua New Guinea, gets by on about 12 letters; Khmer, in Cambodia, runs to 74 — the biggest alphabet going.

How do people on La Gomera in the Canary Islands talk across deep ravines?

They whistle — Silbo Gomero is whistled Spanish that carries for miles, and it's taught in local schools.

What is "goodbye" a contraction of?

"God be with ye" — centuries of use wore the blessing down to two syllables.

Where does "OK" come from?

An 1839 Boston newspaper joke — "oll korrect," a comically misspelled abbreviation that went national when Martin Van Buren's "Old Kinderhook" campaign adopted it.

What does nearly every major language call the pineapple?

Some form of "ananas" — English went its own way, and has been fielding questions about it ever since.

What does the Japanese word "tsundoku" describe?

Buying books and letting them pile up unread — the word your nightstand has been waiting for.

Where is the longest place name in the English-speaking world?

New Zealand — a hill called Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiwhenuakitanatahu, about 85 letters of Māori history.

What is the most successful invented language?

Esperanto, created in 1887 — it's the one constructed language with a worldwide community, including native speakers raised in it.

American Sign Language is closest to which other sign language?

French Sign Language — ASL descends from it, which is why ASL and British Sign Language users can't understand each other.

How many words make their first recorded appearance in Shakespeare?

Hundreds — though he likely popularized many rather than coining them all; the paper trail just starts with him.

Does "quiz" really come from a Dublin theater manager's bet to invent a nonsense word overnight?

Almost certainly not — the story can't be substantiated, and the word's true origin remains unknown. A trivia word with an unsolved origin: too perfect.

How fast are languages disappearing?

By one common estimate, one falls silent roughly every few weeks — most of the world's 7,000 are spoken by small communities.

If you got the ananas question, congratulations: you now know that every time you say "pineapple," the rest of the world quietly says OK — a word that started as a joke and conquered every language on this list.