| Common girls lacking finish at the end of December (8) | 54 |
| Common golf course trees | 24 |
| Common good-luck charm | 22 |
| Common gout site | 16 |
| Common Grand Canyon reaction | 28 |
| Common graph axes | 17 |
| Common Great Lakes cargo | 24 |
| Common green house gift | 23 |
| Common greeting | 15 |
| Common greetings | 16 |
| Common ground for Bush and Kerry | 32 |
| Common ground for Dr. King and Governor Wallace | 47 |
| Common guard dog breed | 22 |
| Common Guernsey bull | 20 |
| Common gull | 11 |
| Common haggis ingredient | 24 |
| Common Halloween attire for young girls | 39 |
| Common Halloween costume | 24 |
| Common Halloween costumes | 25 |
| Common hand span | 16 |
| Common Hanoi transportation | 27 |
| Common hardwood | 15 |
| Common HDTV feature | 19 |
| Common headache med. | 20 |
| Common Hebrew name | 18 |
| Common hello or goodbye | 23 |
| Common herb | 11 |
| Common herb in Italian cooking | 30 |
| Common hero | 11 |
| Common highway sign | 19 |
| Common highway speed limit | 26 |
| Common HMO requirement | 22 |
| Common HMO requirements | 23 |
| Common hockey power play | 24 |
| Common hockey score | 19 |
| Common home machines, for short | 31 |
| Common home ritual | 18 |
| Common honorific | 16 |
| Common horse name | 17 |
| Common hospital name | 20 |
| Common hotel amenity | 20 |
| Common hotel bathroom feature | 29 |
| Common hotel room features | 26 |
| Common house event before moving | 32 |
| Common house feature | 20 |
| Common house pet | 16 |
| Common house plant | 18 |
| Common household allergen | 25 |
| Common household cleaner | 24 |
| Common household compound, formulaically | 40 |
| Common household pest | 21 |
| Common houseplant | 17 |
| Common housing exterior | 23 |
| Common hunting dog | 18 |
| Common hwy. sign | 16 |
| Common hymn word | 16 |
| Common ID | 9 |
| Common IDs | 10 |
| Common illnesses | 16 |
| Common images on stamps | 23 |
| Common Indian cooking ingredients | 33 |
| Common indulgence | 17 |
| Common inert gas | 16 |
| Common inert gas in the atmosphere | 34 |
| Common ingredient in Chinese dishes | 35 |
| Common ingredient in feta cheese | 32 |
| Common ingredient in Nigerian cuisine | 37 |
| Common inhalant | 15 |
| Common injuries among athletes | 30 |
| Common injury location | 22 |
| Common injury site | 18 |
| Common ink purchase | 19 |
| Common inscription, e.g. | 24 |
| Common insurance fraud | 22 |
| Common insurance fraud cause | 28 |
| Common intensifier | 18 |
| Common interest | 15 |
| Common interest group | 21 |
| Common interface that is a model for several squares in this puzzle | 67 |
| Common interjection | 19 |
| Common interjection in Shakespeare | 34 |
| Common interjections | 20 |
| Common Internet letters | 23 |
| Common internet message board phenomena | 39 |
| Common Internet symbol | 22 |
| Common Italian restaurant fixture | 33 |
| Common item | 11 |
| Common item in a purse | 22 |
| Common item in still-life paintings | 35 |
| Common item? | 12 |
| Common itemized deduction | 25 |
| Common IV filler | 16 |
| Common Japanese flavoring | 25 |
| Common java hr. | 15 |
| Common jazz chords | 18 |
| Common jazz combo | 17 |
| Common Jesuit school name | 25 |
| Common John | 11 |
| Common joiner | 13 |
| Common joke setting | 19 |