dare
A four-letter word for challenging someone to do something is "duel." It often refers to a formal contest between two parties, typically involving combat or competition. In a broader context, it can also imply a challenge in a more general sense.
Care
The four-letter word for to feel the loss of someone is "mourn." It captures the sense of sorrow and grief associated with losing a loved one.
Dicq?
To convince someone you must sway them.
task
liar
task
A four letter word starting with the letter a is able.
They're referring to profanity.
A four letter word for 'in addition to' is also.
That Four-Letter Word was created in 2006.