cause is on the Basic English 850 List.
cat - cause - certain
cause is one of the 1000 most common headwords.
catch - cause - cent

Pronunciation change

Noun change

Singular
cause

Plural
causes

Cause is on the Academic Vocabulary List.
  1. (countable) A cause is what leads to something happening.
    The cause of the fire was lightning.
  2. (countable) A cause is a goal, aim or principle that people support or fight for.
    He is fighting for a just cause.

Verb change

Plain form
cause

Third-person singular
causes

Past tense
caused

Past participle
caused

Present participle
causing

Cause is on the Academic Vocabulary List.
  1. (transitive) To cause something is to make it happen.
    His careless driving caused the car accident.