352a553d_gular_Verbs___UsingEnglish_com__Past_Participle
[Base Form] Vex [Past Simple] Vext/Vexed [3rd Person Singular] Vexes [Present Participle / Gerund] Vexing [Past Participle] 
Vext/Vexed
English Irregular Verbs - UsingEnglish.com