There are several possible rhymes for incur, including blur, slur, stir, burr, etc.
Depending on your regional accent, "stinker" may also rhyme.
curable, durable, thurible
insurable
incurable
The diesease she is dealing with is incurable.
Incurable cancer is a cancer that can't be cured.
The Incurable Tragedy was created in 2007.
If it was cured then it wouldn't be incurable, thus you cannot.
My aging grandmother was struck down with an incurable disease.
Songs for the Incurable Heart was created on 2005-11-15.
terminal
The word 'incurable' is an adjective, a word used to describe a noun as permanent, unable to be cured or changed.
The cast of Incurable Tyrant - 2013 includes: Stephane Castellon as Jean
The cast of For the Incurable Insane - 2013 includes: Ted Wulfers as Dr. George Zeller
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