From improve + -able.
improvable (comparative more improvable, superlative most improvable)
- Capable of being improved.
- Capable of being used to advantage; profitable.
From im- + provable.
improvable (not comparable)
- Impossible to prove.
Words… ending with q, starting with q, starting with qa, starting with qo, with two letters, starting with x, starting with j, ending with j,
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ETJGDRR, GRIYGQE, NONJG, HZCGVHA, BRVKMZPE, XMKBOUA,