| A | B |
| correspond | to communicate by letter, especially on a regular basis |
| arrangement | the order in which things are arranged |
| illegible | not capable of being deciphered |
| assortment | a collection of various kinds; variety |
| irregular | not standard or uniform, as in shape, size, or length |
| illiterate | unable to read and write |
| attempt | an effort or try |
| accustomed | usual; habitual; familiar |
| immature | not fully grown or developed; an early or unripe stage |
| irresponsible | showing no sense of responsibility or concern for consequences; not dependable, reliable, or trustworthy |
| arrest | to seize or hold under authority of law |
| illogical | having or showing a lack of logic, or clear reasoning |
| irreparable | not capable of being repaired, undone, or set right |
| immeasurable | not capable of being measured |
| irresistible | too strong, powerful, or compelling to be resisted |
| accompany | to go along with |
| immobilize | to make immobile; render incapable of moving |
| irreplaceable | not capable of being replaced |
| assignment | something assigned, especially a task or job |
| illegal | prohibited by law or by official rules, as of a game |