The term 'ill-matched' is a phrase used to describe two things that do not go together. The crossword solutions for this term are 'UNEVEN' and 'UNEQUAL', both of which have six and seven letters respectively. UNEVEN implies that two things are not the same size or shape, while UNEQUAL implies that two things are not equal in terms of value, quality, or amount. Both words can be used to describe two things that do not match each other.