How to Say "kills" in Spanish
The Spanish word for “kills” is “mata” — A1 level. This is a very common word in everyday Spanish.

Examples
La policía busca a quien mata a los animales del vecindario.
The police are looking for the person who kills the neighborhood animals.
Ella siempre mata el tiempo con videojuegos mientras espera.
She always kills time with video games while she waits.
¡Mata el mosquito antes de que te pique!
Kill the mosquito before it bites you!
Talking about Others
This form, 'mata', is what you use in the present tense when the subject is 'él' (he), 'ella' (she), or 'usted' (you formal), describing an action they do right now or habitually.
Command Form
The exact same form, 'mata', is the command you give to a friend ('tú') in the positive: '¡Mata la araña!' (Kill the spider!).
Mixing up Subjects
Mistake: “Using 'yo mata' instead of 'yo mato'.”
Correction: Remember that the first-person singular ('yo' - I) always takes the '-o' ending in the present indicative for -ar verbs: 'Yo mato.' (I kill.)
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