| A | B |
|---|
| INSUL | island |
| insular | limited in knowledge or perspective |
| insulate | to protect from outside influence |
| IDIO | single, peculiar, personal |
| idiosyncrasy | a peculiar quality; a quirk |
| idiom | speech or phrase specific to a particular language |
| NUM | to count |
| enumerate | to list separately; to count off |
| innumerable | so plentiful as to be uncountable |
| PLUS or PLUR | many |
| nonplussed | baffled or confused |
| surplus | amount beyond what is necessary |
| plurality | greater part; majority |
| SING | single |
| single | to isolate; to choose |
| singular | separated from others; unique |
