pitch (n)
/pɪtʃ/

an area painted with lines for playing particular sports, especially football

foul (n)
/faʊl/

an act that is against the rules of a sport, often causing injury to another player

red card (n)
/red kɑːrd/

a card shown by the referee to a player who has broken the rules of the game and is not allowed to play for the rest of the game

substitute (n)
/ˈsʌbstəˌtut/

a player who replaces another player in a sports game

goalkeeper (n)
 /ˈɡoʊlˌkiː.pɚ/

the player who stands in the team's goal to try to stop the other team from scoring

defender (n)
/dɪˈfen.dɚ/

someone in a sports team who tries to prevent the other team from scoring points, goals, etc.

midfielder (n)
 /ˈmɪdˌfildər/ 

a player who plays in the central area of a sports field, or a central structure of a sports team

striker (n)
/ˈstraɪ.kɚ/

a football player whose main job or skill is scoring goals

goal line (n)
/ɡoʊl laɪn/

the line at either end of a sports field on which the goal stands or which the ball must cross to score a goal

net (n)
/nɛt/

the frame covered in net that forms the goal

post (n)
/poʊst/

one of the two vertical posts that form part of a goal

commit (v)
/kəˈmɪt/

to do something wrong or illegal

miss (v)
/mɪs/

to fail to do or experience something

free-kick (n)
/frikɪk/

an opportunity to kick the ball without any opposition, which is given to one team when the other team does something wrong

throw-in (n)
/θroʊ ɪn/

in football, an occasion when a player throws the ball back onto the field after it has gone out

half-time (n)
 /ˈhæf.taɪm/

a short rest period between the two parts of a sports game

kick-off (n)
/kɪk ɔf/

the time to start hitting the ball at the first time

award (n)
/əˈwɔrd/

a prize such as money, etc. for something that someone has done

whistle (v)
/ˈwɪs.l̩/

to make a tune or musical notes by forcing air through your mouth

stadium (n)
/ˈsteɪ.di.əm/

a large sports ground surrounded by rows of seats and usually other buildings