As nouns the difference between wingback and fullback
is that wingback is (football) a player who doubles as a defender when their team is defending, and a winger when they are attacking while fullback is (american football) an offensive back whose primary jobs are to block in advance of the halfback on running plays and for the quarterback on passing plays.
wingback
English
Noun
(
en noun)
(football) A player who doubles as a defender when their team is defending, and a winger when they are attacking.
wingback chair, wing chair
fullback
English
Noun
(
en noun)
(American football) An offensive back whose primary jobs are to block in advance of the halfback on running plays and for the quarterback on passing plays.
(field hockey) A defensive player who assists the goalie in preventing the opposing team from scoring.