| not a jot(expression, idiom, smallness, negation) |
| not a whit(expression, idiom, smallness, negation) |
| not at all(expression, idiom, smallness, negation) |
| numero uno(expression, adjective, head, beginning, prime) |
| on no account(expression, idiom, smallness, negation) |
| once and for all(expression, adjective, idiom, end, extreme) |
| only |
| opening(adjective, head, beginning, original, prime) |
| original(adjective, head, beginning, opening, prime) |
| outermost(adjective, end, hinder, last, extreme) |
| particle |
| pioneer(adjective, head, beginning, opening, original) |
| plain |
| poor |
| poorest(adjective, minimum, slightest, smallest, tiniest) |
| premier(adjective, head, beginning, opening, original) |
| primary(adjective, head, beginning, opening, original) |
| prime(adjective, head, beginning, opening, original) |
| primeval(adjective, head, beginning, opening, original) |
| primitive(adjective, head, beginning, opening, original) |