Numbers are a harmonization of data from several different studies. Logical range is from 0 to 100, where higher numbers indicate higher retention rates, lower replacement rates.
| Semantic concept | Retention rate |
|---|---|
| ALL | 28% |
| AND | 18% |
| ANIMAL | 22% |
| ASHES | 35% |
| AT | 38% |
| BACK | 30% |
| BAD | 16% |
| BARK | 34% |
| BECAUSE | 10% |
| BELLY | 23% |
| BIG | 29% |
| BIRD | 35% |
| BITE | 29% |
| BLACK | 31% |
| BLOOD | 60% |
| BLOW | 26% |
| BONE | 66% |
| BREAST | 24% |
| BREATHE | 20% |
| BURN | 25% |
| CHILD | 22% |
| CLAW | 23% |
| CLOUD | 29% |
| COLD | 23% |
| COME | 31% |
| COUNT | 28% |
| CRY | 34% |
| CUT | 21% |
| DAY | 59% |
| DIE | 72% |
| DIG | 21% |
| DIRTY | 3% |
| DOG | 54% |
| DRINK | 60% |
| DRY | 42% |
| DULL | 10% |
| DUST | 21% |
| EAR | 75% |
| EARTH | 34% |
| EAT | 46% |
| EGG | 69% |
| EYE | 89% |
| FALL | 25% |
| FAR | 45% |
| FAT | 34% |
| FATHER | 57% |
| FEAR | 22% |
| FEATHER | 36% |
| FEW | 25% |
| FIGHT | 5% |
| FIRE | 55% |
| FISH | 46% |
| FIVE | 69% |
| FLOAT | 25% |
| FLOW | 18% |
| FLOWER | 38% |
| FLY | 28% |
| FOG | 24% |
| FOOT | 48% |
| FOUR | 70% |
| FREEZE | 29% |
| FRUIT | 22% |
| FULL | 58% |
| GIVE | 54% |
| GOOD | 29% |
| GRASS | 27% |
| GREEN | 30% |
| GUTS | 22% |
| HAIR | 38% |
| HAND | 62% |
| HE | 44% |
| HEAD | 43% |
| HEAR | 47% |
| HEART | 61% |
| HEAVY | 26% |
| HERE | 24% |
| HIT | 23% |
| HOLD | 24% |
| HORN | 49% |
| HOW | 44% |
| HUNT | 26% |
| HUSBAND | 34% |
| I | 95% |
| ICE | 40% |
| IF | 17% |
| IN | 39% |
| KILL | 30% |
| KNEE | 45% |
| KNIFE | 0% |
| KNOW | 28% |
| LAKE | 25% |
| LAUGH | 32% |
| LEAF | 41% |
| LEFT | 16% |
| LEG | 12% |
| LIE | 30% |
| LIVE | 42% |
| LIVER | 41% |
| LONG | 45% |
| LOUSE | 69% |
| MAN | 30% |
| MANY | 27% |
| MEAT | 35% |
| MOON | 54% |
| MOTHER | 61% |
| MOUNTAIN | 25% |
| MOUTH | 40% |
| NAME | 89% |
| NARROW | 24% |
| NEAR | 20% |
| NECK | 29% |
| NEW | 54% |
| NIGHT | 47% |
| NOSE | 79% |
| NOT | 45% |
| NOW | 0% |
| OLD | 36% |
| ONE | 81% |
| OTHER | 26% |
| PERSON | 37% |
| PLAY | 18% |
| PULL | 19% |
| PUSH | 13% |
| RAIN | 43% |
| RED | 29% |
| RIGHT | 21% |
| RIGHT | 40% |
| RIVER | 19% |
| ROAD | 37% |
| ROOT | 46% |
| ROPE | 32% |
| ROTTEN | 24% |
| ROUND | 17% |
| RUB | 21% |
| SALT | 66% |
| SAND | 23% |
| SAY | 24% |
| SCRATCH | 16% |
| SEA | 43% |
| SEE | 35% |
| SEED | 28% |
| SEW | 47% |
| SHARP | 38% |
| SHORT | 20% |
| SING | 28% |
| SIT | 43% |
| SKIN | 29% |
| SKY | 45% |
| SLEEP | 35% |
| SMALL | 14% |
| SMELL | 4% |
| SMOKE | 47% |
| SMOOTH | 19% |
| SNAKE | 31% |
| SNOW | 46% |
| SOME | 24% |
| SPEAR | 16% |
| SPIT | 35% |
| SPLIT | 23% |
| SQUEEZE | 10% |
| STAB | 10% |
| STAND | 44% |
| STAR | 51% |
| STICK | 15% |
| STONE | 64% |
| STRAIGHT | 26% |
| SUCK | 44% |
| SUN | 64% |
| SWELL | 18% |
| SWIM | 27% |
| TAIL | 54% |
| THAT | 36% |
| THERE | 40% |
| THEY | 48% |
| THICK | 30% |
| THIN | 43% |
| THINK | 16% |
| THIS | 52% |
| THREE | 68% |
| THROW | 14% |
| TIE | 33% |
| TONGUE | 84% |
| TOOTH | 83% |
| TREE | 49% |
| TRUE | 0% |
| TURN | 19% |
| TWO | 95% |
| VOMIT | 21% |
| WALK | 24% |
| WARM | 27% |
| WASH | 29% |
| WATER | 68% |
| WE | 77% |
| WET | 21% |
| WHAT | 64% |
| WHEN | 46% |
| WHERE | 43% |
| WHITE | 32% |
| WHO | 70% |
| WIDE | 29% |
| WIFE | 37% |
| WIND | 45% |
| WING | 28% |
| WIPE | 23% |
| WITH | 25% |
| WOMAN | 38% |
| WOODS | 26% |
| WORK | 18% |
| WORM | 43% |
| YE | 51% |
| YEAR | 38% |
| YELLOW | 27% |
