Rill
It is a Rill.
A five-letter word for "narrow mountain stream" is "brook".
Rill is another word for stream
A four letter word starting with the letter a is able.
* Brook * Stream * River * Creek
creek?
Torrent :)
Lard is a four letter word for grease.
That Four-Letter Word was created in 2006.
A four letter word for 'in addition to' is also.
A four letter word for Seizures is moon