igualar
equalize
equal
equal
+
-ar
verb suffix
Igualar means to equalize and can be thought of as equal0 + -ar1 (verb suffix1).
verb
  1. equalize
    To make equal or uniform; to match or equalize.
    El equipo logró igualar el marcador en el último minuto. // The team managed to equalize the score in the last minute.