Review the word part chart and answer the questions that follows. Group I. If the root is a full word, the ending is usually -able. Group II. When the root is a full word except for a final e, the forms usually are spelled with -able. Group III. The suffix -able always follows i. Group IV. When the root has other forms built on the letter a, the -able form is used. Group V. When the root ends in hard c or g, -able is used. Group VI. When the root is not a full word, -ible is used. Group VII. When the word has an immediate -tion form, -ible is used. Group VIII. When the root ends in ns, miss, or soft c or g, - ible is used. Identify both the word ending and mnemonic group for the word avail.
Use roman numerals for the mnemonic group.

What is the correct word ending for avail?

Which mnemonic group does it belong to?