Decimates

1 clue
Nearly wipes out
Similar answers:
Agemates
Amalgamates
Amates
Animates
Anniemates
Appledecider
Automates
Baddecision
Bedmates
Bodycheckmates
Bromates
Broommates
Budgetestimates
Castthedecidingvolt
Cellmates
Checkmates
Clashmates
Classmates
Climates
Cometoadecision