The word ending for "avail" is "-able." "Avail" belongs to the "ABLE" mnemonic group.
How to explain
The word "avail" possesses the word ending "-able," denoting its adaptability to be transformed into an adjective, indicating capability or capacity.
It falls under the mnemonic group "ABLE," encompassing words that indicate possibility, capacity, or fitness.
This group typically pertains to terms that can be converted into adjectives by adding the suffix "-able," suggesting the potential for the action described by the root word. In the case of "avail," its inclusion in the "ABLE" group signifies its capacity to be advantageous in a given context, aligning with the inherent meaning derived from the word's usage.
The Complete Question
Identify the word ending and the mnemonic group for the word "avail." What is the correct word ending for the term? To which mnemonic group does "avail" belong?