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# XWord Info Freshness Factor™

FF: -12.6 = 0.2 percentile, 0.4 Tuesday percentile

## Tuesday, April 18, 2017 by Bruce Haight — 0 Unique Shortz Era words

 S E E S E T T E L A S S T I L T R E A R S A R I A A R E A A S S A I R A T S R E A L I S T S T I L E S E T E S A S E A A L T A I R A L I S T E R S A R I S R I T E S L A T S T I R S E L E S R I T A T E T S T E E R E A T E R R E T A I L S A T R E S T E L L S E S A I I S R A E L S A L T I E R R I I S E T A T S I R A E E L L E R E L E E E A S E S T E R L E S T S S T S

Calculations here are based on the number of other times each word in this puzzle has been used in the Shortz Era. The Freshness Factor is determined by subtracting the average count from 100.

Since Freshness Factor erodes over time as more puzzles get added to the database, percentiles are a much more meaningful measurement. The overall percentile compares this puzzle to all other Shortz Era crosswords. The day-of-week percentile only compares against other puzzles published on the same weekday. This allows puzzles that are, for example, "fresh for a Monday" to get proper credit.

For example, a percentile of 75 would mean that for this puzzle, only 25% of all puzzles (or puzzles for this day of week) have a higher Freshness Factor. Note that this completely mathematical calculation does not and cannot include such subjective factors as the cleverness of the clues. Obscure words are "fresh" but may not be any good.

For comparison, the second chart below shows word frequencies across all NYT puzzles. It is not used for Freshness Factor calculations since older usages are less relevant.

Click on any answer word below to see all the definitions for that word.

## Usage based on Shortz Era frequencies only

The Freshness Factor calculations are based on this chart showing only Shortz Era usage stats.

## Usage frequencies across all NYT puzzles

For comparison, here's the full view across all NYT puzzles: pre-Shortz, Modern and Variety.

CountWords
3STALEAIR
5ALISTER RARITIES
9ASASET
11SALTIER
13SISSIES
15STILLER
18AILES
19RETAILS
29ALTAIR
43STILES
45REALIST
59ASSAI
60TEASER
65ATREST
69LARIAT
79SELES
97REES
103SARIS
105ELEA
109RELEE
110TAS
117ISRAEL
123ESAI
138RITES
144ETATS
146RATES
150REARS
161SILT
180RIIS
181ERASER
183LATER REELS
193EATER
195TESTS
199TILT
205ITIS
223TRITE
233LAT
252ALTER
267LEST
281IRAS
283IRES
291TART
292ELLS
303LASS
309TET
322RATS
325SEES
328STER
348SITE
353RITA
360SSTS
362STEER
377RILE
382TEL
391SASS
417ETES
443ESTES TESS
447SALE
451IRAE
465ASST
499ELLE
525ELITE
566ARAL
665EIRE
684EAST
716ETTE
801ETAL
816STIR
901EASE
912ASEA
1017STAR
1193ARIA
1235ALE
1492ERA
1502AREA