| sexual reference | 7.44 | Rated R for sexual references. | ||
| direct reference | 6.71 | The only direct reference ... | ||
| apparent reference | 4.94 | The crowd applauded his apparent reference to foreign troops. | ||
| specific reference | 4.28 | There is no specific reference to it. | ||
| future reference | 3.95 | I made a note for future reference. | ||
| passing reference | 3.88 | He made only a passing reference to war. | ||
| veiled reference | 3.29 | The veiled reference is his calling card. | ||
| clear reference | 2.57 | This was a clear reference to Iran and Iraq. | ||
| frequent reference | 2.37 | There are also frequent sexual references. | ||
| religious reference | 2.11 | Religious references are out. | ||
| biblical reference | 1.91 | He cited two biblical references. | ||
| cultural reference | 1.78 | Cultural references come and go. | ||
| explicit reference | 1.58 | But he made no explicit reference to U.S. ground forces. | ||
| quick reference | 1.58 | The retailer should have a map for quick reference. | ||
| repeated reference | 1.45 | Bush made repeated references to their close friendship. | ||
| good reference | 1.38 | I go, I want a good reference. | ||
| historical reference | 1.38 | Baseball needs its historical references. | ||
| oblique reference | 1.25 | The oblique references could be important. | ||
| obvious reference | 1.25 | That was an obvious reference to Fox and Lewis. | ||
| constant reference | 1.18 | With this, you have a constant reference. |