What rule applies most closely to this word? avail- O Group VIII. When the root ends in ns, miss, or soft cor g, ible is used. O Group V. When the root ends in hard cor hard g. -able is used. O Group IL. When the root is a full word except for a final e, the forms usually are spelled with -able. O Group IV. When the root has other forms built on the letter a, the cable form is used. O Group III. The suffix -able always follows i. O Group L If the root is a full word, the ending is usually -able. O Group VI. When the root is not a full word, -ible is used. O Group VII. When the word has an immediate -tion form, -ible is used.