ellos cometen

commit

→ cometer
comet to commit, to make (a mistake) + en 3rd-person plural present (indicative or subjunctive)
verb · third plural · present indicative Rare #46,974
commit
SP: A veces cometen errores por prisa.
EN: Sometimes they commit mistakes because they’re in a hurry.
Conjugation of cometer
Indicative present
SingularPlural
First cometo
Third comete cometen
Subjunctive present
SingularPlural
First cometo
Third comete cometen

Todos cometen estupideces así en la escuela.

Everyone does stupid things like that at school.

Pero ese es el error que cometen.

But that is the mistake they make.

— Super 30 (2019)

Todos cometen pequeños errores.

Everyone makes small mistakes.

— Una cuestión de tiempo (2013)

Siempre cometen los mismos errores estúpidos una y otra vez.

They always make the same stupid mistakes over and over again.

— El hombre de la Tierra (2007)