"costo fijo" in English

cost- charge- hash

landline- set scrum

fixed- set- steadfast- steady- built-in- flat- intent- permanent- stationary- unwavering- land- firm

to fix- to focus- to state- to inset- to appoint- to arrange- to fasten- to finalize- to mount- to peg down- to pin back- to post- to post up- to set down- to settle- to sort out- to affix- to set

to cost- to take- to knock back- to lose