solución
/soluˈθjon/ · B1 · noun · f
solution
🧩 solución = solution with -tion swapped for -ción
English -tion words usually become Spanish -ción words, always feminine: nation/nación, action/acción. Both come from Latin solutio, a loosening, from solvere, to loosen or untie. A problem solved is a knot undone.