| Suffix with party | 17 |
| Suffix with part | 16 |
| Suffix with parliament | 22 |
| Suffix with pant or aunt | 24 |
| Suffix with pant | 16 |
| Suffix with panel | 17 |
| Suffix with pamphlet | 20 |
| Suffix with palm | 16 |
| Suffix with Paleo- | 18 |
| Suffix with pachy- | 18 |
| Suffix with ox- or sulf- | 24 |
| Suffix with ox- | 15 |
| Suffix with ox | 14 |
| Suffix with outrage and umbrage | 31 |
| Suffix with Orwell | 18 |
| Suffix with origin or comment | 29 |
| Suffix with origin | 18 |
| Suffix with organ or patriot | 28 |
| Suffix with organ | 17 |
| Suffix with Oregon | 18 |
| Suffix with orange or lemon | 27 |
| Suffix with orange | 18 |
| Suffix with opinion | 19 |
| Suffix with oper- | 17 |
| Suffix with opal or petal | 25 |
| Suffix with opal or fluor | 25 |
| Suffix with opal | 16 |
| Suffix with old or young | 24 |
| Suffix with old or gang | 23 |
| Suffix with old | 15 |
| Suffix with Oktober or Ozz | 26 |
| Suffix with Oktober | 19 |
| Suffix with official or legal | 29 |
| Suffix with official or fan | 27 |
| Suffix with official | 20 |
| Suffix with odd | 15 |
| Suffix with octa- | 17 |
| Suffix with oct- | 16 |
| Suffix with Nu- and Agri- in garden product names | 49 |
| Suffix with novel | 17 |
| Suffix with northwest | 21 |
| Suffix with northeast | 21 |
| Suffix with north or south | 26 |
| Suffix with north | 17 |
| Suffix with Nobel | 17 |
| Suffix with no-good | 19 |
| Suffix with Nippon | 18 |
| Suffix with nine, but not ten | 29 |
| Suffix with New York | 20 |
| Suffix with neuro- | 18 |
| Suffix with neur- | 17 |
| Suffix with neo- and zoo- | 25 |
| Suffix with neo- | 16 |
| Suffix with nectar | 18 |
| Suffix with neat or peace | 25 |
| Suffix with neat or beat | 24 |
| Suffix with neat | 16 |
| Suffix with narc- | 17 |
| Suffix with narc | 16 |
| Suffix with nanny | 17 |
| Suffix with names of hours | 26 |
| Suffix with myth or poet | 24 |
| Suffix with myth or monarch | 27 |
| Suffix with myth | 16 |
| Suffix with my- | 15 |
| Suffix with musket or market | 28 |
| Suffix with musket or ballad | 28 |
| Suffix with musket | 18 |
| Suffix with museum or theater | 29 |
| Suffix with murder | 18 |
| Suffix with multi or cine | 25 |
| Suffix with Mozart | 18 |
| Suffix with movie | 17 |
| Suffix with mountain or profit | 30 |
| Suffix with mountain or musket | 30 |
| Suffix with mountain | 20 |
| Suffix with motor | 17 |
| Suffix with morph- | 18 |
| Suffix with morph | 17 |
| Suffix with moral or popular | 28 |
| Suffix with moon or river | 25 |
| Suffix with moon | 16 |
| Suffix with modern | 18 |
| Suffix with mod- | 16 |
| Suffix with mod | 15 |
| Suffix with mock | 16 |
| Suffix with mob or tip | 22 |
| Suffix with mob or old | 22 |
| Suffix with mob or gang | 23 |
| Suffix with mob | 15 |
| Suffix with mix or fix | 22 |
| Suffix with mini or Web | 23 |
| Suffix with million or zillion | 30 |
| Suffix with million or billion | 30 |
| Suffix with million | 19 |
| Suffix with Milan | 17 |
| Suffix with mignon | 18 |
| Suffix with micro or macro-- | 28 |
| Suffix with micro | 17 |
| Suffix with methyl | 18 |