ABSTRACT
The noun does have a countable form but is usually uncountable. Confusing the noun with the adjective is common.
They were absence (absent) from the trial.
The absent (absence) of these three participants was noted.
The noun does have a countable form but is usually uncountable. Confusing the noun with the adjective is common.
They were absence (absent) from the trial.
The absent (absence) of these three participants was noted.