A four letter word starting with the letter a is able.
A four letter word for 'in addition to' is also.
A four letter word for Seizures is moon
It depends on what you mean by 'four letter word'. Thea has four letters, so yes it is. It is not a swear word, so it's not that kind of 'four letter word'.
Forgery
fake
faux
fake
Faux.
Fake
take
A four letter word for something that goes over a pillow and is fake is a sham.
F is for faux (phony, simulated) M is for mock (imitation)
copy
False is a five letter word meaning fake.
False and phony are five letter words that mean ingenuous or fake.
sham, charlatan, phoney