noun, masculine/keˈbeɾes/
love affairs, situationships; informal romantic or sexual relationships.
“Tuvo dos o tres maridos y algunos "queveres" que le fueron siempre reprochados y que ella tomaba como adecuados a una naturaleza tan extremadamente abundante como la suya.” — She had two or three husbands and some "affairs" that were always frowned upon and which she considered adequate to an extremely abundant nature like hers.
Univerbation of tener algo que ver con (“to have something to do with”).