Nouns

(n)gropethe act of groping; and instance of groping

Verbs

(v)grope, fumblefeel about uncertainly or blindly“She groped for her glasses in the darkness of the bedroom”
(v)gropesearch blindly or uncertainly“His mind groped to make the connection”
(v)gropefondle for sexual pleasure“He made some sexual advances at the woman in his office and groped her repeatedly”