The word is STAR.
The other words are...
STAR
TAR
RAT
RATS
ART
ARTS
baitblipbrimboilchinchipclipcoincoilcribdripflipfoilgripgrimgringritglibloinmainmaidmailnailomitpailpairpainprimquitrainraidrailsoilsailsaidshinshipslimslitslidslipsnipstirswimtoiltrimthinthistriptailunitvainwhitwait
card care carp cars
Other words found on coins include "United States of America," "liberty," and the coin's denomination.
Four Letter Words in Christmascats castcisthatshissmassmastmatsmissmistrichstarstirtrim
35 four letter words can be formed. 35 four letter words can be formed. 35 four letter words can be formed.
All the other four letter words were taken
The word is with w-it-h\Other 4 letter words with it in the middle:bitecitecityfitshitskitskitelitemitepitsritesitesitswitszits
buck
Several four letter words begin with the letter q. However, there are no four letter words that begin with the letter q and end with the letter o.
Haul and laud are four letter words. The 2nd letter is a. The 3rd letter is u.
Four letter words ending with Y:AblyAchyAwayAwryBodyBonyBrayBuoyBuryCityClayCloyConyCopyCozyCrayDenyDoryDozyDrayDutyEasyEnvyFlayFrayFreyGoryGrayGreyHazyHolyJuryLadyLazyLevyLilyMiryNaryNavyNosyOilyOkayOnlyOozyPinyPityPlayPloyPonyPosyPrayPreyQuayRacyRelyRosyShaySlaySpaySpryStaySwayTidyTinyTonyTrayTroyVaryVeryWaryWavyWilyWiry
Buzz, fuzz, jazz, and zero are four letter words.