The term 'showed up' can be described by four different crossword solutions: CAME (4 letters), ATTENDED (8 letters), BLEWIN (6 letters), ARRIVED (7 letters), and CAMEALONG (9 letters). CAME implies that the person ARRIVED quickly, ATTENDED suggests that the person was present at an event, BLEWIN implies that the person made a sudden appearance, ARRIVED implies that the person CAME to a place, and CAMEALONG implies that the person joined in with others. All of these words describe the same action of someone showing up.