| Common first item on a form | 27 |
| Common first floor apt. no. | 27 |
| Common financing method | 23 |
| Common filename extension | 25 |
| Common file folder abbr. | 24 |
| Common field trip destination | 29 |
| Common fertilizer ingredient | 28 |
| Common fertilizer compound | 26 |
| Common female middle name | 25 |
| Common feeling for teens | 24 |
| Common Father's Day gift | 28 |
| Common fairy-tale opener | 24 |
| Common exfoliant ingredient | 27 |
| Common events in whodunits | 26 |
| Common event on Dec. 31 | 23 |
| Common employment benefit | 25 |
| Common email attachments | 24 |
| Common email attachment type | 28 |
| Common egg farm denizens | 24 |
| Common effect on vocals | 23 |
| Common edible mushroom | 22 |
| Common economic indicator | 25 |
| Common e-mail address ending | 28 |
| Common e-mail address domain | 28 |
| Common DVD bonus feature | 24 |
| Common drug side effect | 23 |
| Common dried decoration | 23 |
| Common dorm room fixture | 24 |
| Common domain name ending | 25 |
| Common domain name ender | 24 |
| Common disorder for bulldogs | 28 |
| Common disease, for short | 25 |
| Common digital download | 23 |
| Common digital doc format | 25 |
| Common diatomic molecule | 24 |
| Common dessert ingredient | 25 |
| Common desktop clutter | 22 |
| Common dermatology case | 23 |
| Common deli meat order: Abbr. | 29 |
| Common defense mechanism | 24 |
| Common DC license letters | 25 |
| Common crystals, chemically | 27 |
| Common cryptic clue type | 24 |
| Common crossword-clue tag | 25 |
| Common crossword theme | 22 |
| Common crossword palindrome | 27 |
| Common crossword clue tag | 25 |
| Common crossword clue letters | 29 |
| Common crossword clue ending | 28 |
| Common cowboy nickname | 22 |
| Common court objection | 22 |
| Common course conclusion | 24 |
| Common course completer | 23 |
| Common countdown start | 22 |
| Common cosmetics applicator | 27 |
| Common cosmetic ingredient | 26 |
| Common conversation starter | 27 |
| Common contraction: Pl. | 23 |
| Common contraction of sorts | 27 |
| Common conifer secretion | 24 |
| Common condiment (Var.) | 23 |
| Common concerto component | 25 |
| Common computer typeface | 24 |
| Common computer interface | 25 |
| Common computer instruction | 27 |
| Common computer feature | 23 |
| Common composition for Liszt | 28 |
| Common composite bloom | 22 |
| Common complaint from kids | 26 |
| Common commuting letters | 24 |
| Common commuter comment | 23 |
| Common common area sights | 25 |
| Common commemorative items | 26 |
| Common Commandment word | 23 |
| Common comedian's prop | 26 |
| Common color in heraldry | 24 |
| Common college deliveries | 25 |
| Common cold's cousin | 24 |
| Common cold case reviver | 24 |
| Common coffee flavorer | 22 |
| Common coffee break time | 24 |
| Common coffee break hr. | 23 |
| Common coffee break hour | 24 |
| Common cocktail components | 26 |
| Common cocktail component | 25 |
| Common coastal arrivals | 23 |
| Common clown accessory | 22 |
| Common classroom sight | 22 |
| Common Civil War ration | 23 |
| Common city name starter | 24 |
| Common city name ending | 23 |
| Common chutney ingredient | 25 |
| Common church namesake | 22 |
| Common chuckwalla habitat | 25 |
| Common Christmas gifts | 22 |
| Common choir music book size | 28 |
| Common choice in an exam | 24 |
| Common Chili's order | 24 |
| Common childhood malady | 23 |
| Common childhood ailment | 24 |