Bores, noun plural of bore. Synonyms in the same form.
Tidal bore
eagres, eagers, aegirs
Artesian well
boreholes
Caliber
calibers, gauges
Plague
plagues, annoyances, drags, bothers, worries, troubles, pains, nuisances, pesters, vexations, annoys, vexes
Other
perforations, waves, dullards, prosers, beigists
All synonyms for bore →