No, "dearth" means a scarcity or lack of something, while "abundance" means a large quantity or plenty of something. They are essentially opposite in meaning.
Dearth is a noun and can be used as such example: There is a dearth of suitable engineers. A few synonyms to dearth are shortage, want, paucity and insufficient.
The pantry has a dearth of canned goods.
the word dearth means a lack of or an inaquate supply death is to do with dying
You could use dearth in a sentence by saying "The trial ended due to a dearth of evidence." The word dearth means a lack of something or a scarcity.
The second annual sale was a disappointment, since there was a dearth of common sizes.
lack dearth
Dearth
dearth, deficiency
lack, scarcity, shortage, etc...
dearth lack scarcity
The word for dying is spelled "death". (A similar word is dearth, a shortage.)
scarcity or inadequate amount