Welsh un [Wiktionary] is understood by 14% of world population, as:
/iːn/, /ɨːn/, /œ̃/, /œ/, /un/
un (French) ✘, un (Italian) ✘, un (Romanian) ✘, un (Catalan) ✘, un (Croatian) ✘, un (Breton) ✘, ун (Macedonian) ✘, ಉಂ (Kannada) ✘;
Now you can say un to 1,037,698,000 people!
French: | Galician: | Spanish: | German: | : |