ten
net
cent
bent
lent
ail
ale
tail
tale
teal
bail
nail
cite
bite
bile
lie
tie
ice
lice
lien
tibia
client
incline
If you mean out of the letters cent and nail
Four letter words that can be made from the letters in 'syringe' are:greygringyrereinringrisesignsinesingsire
Four letter words that can be made from the letters 'nfwade' are:anewaweddawndeafdeanfadefawnfendwadewandwaneweanwend
Jerk.
dry
Four letter words that can be made from the letters 'monastery' are:amenantearmyatomearneasteasymanemanymareMarsmartmastmatemeanmeatmesamoanmoatmoremostmotenamenearneatnestnosenosynoteomenrantratereamrentrestroamroanroserosyrotesamesanesateseamsearseatsentsnotsoarsomesoresortstarstaystemtametaretarntaroteamteartermterntometonetoretorntramtraytreytroytsaryarnyearyore
Some four letter words you can make from the word "syllabus" are ally, busy, bass, bull, and ball.
You can do even better than just five words!arborardorbardsbarfsbaudsboardboarsborasbradsbroadburasburdsburroburrsbursadarbsdaubsdobradorrsdorsadouradrabsdrubsdurasdurosdurradurrsfadosfardsfarosforbsfordsfoursfraudfubarfurorroadsroarssarodsofarsudorsurra
team mate tame
Four letter words that can be made from the letters in Merry Christmas are:acheacidacmeacrearcharmycarecartcasecashcastcharcatecitecramcysteacheasteasyemiremithairhareharmhatehearheathirehissitchitemmacemachmareMarsmartmashmastmatemathmeanmeatmeshmessmicamimemiremissmistmitemythraceracyrarerashratereamrearrestricerichrimeriseritesamesashsatescamscarscatseamseatsectshamshimshirrsiresitestarstaystemstirtametareteamteartermtestthemtheythistiertimetire, tyretramtraytrimyear
Four letter words that can be made from the letters 'cat in the hat' are:acheacneantecanecant (also can't)catecentchatchinchitciteeachetchhatehathheathintinchitchneatnicetactteattentthanthatthenthintinetint
Four letter words that can be made with the letters 'irbegd' are:bergbidebierbirdbredbriebrigdiredribgirdgridrideThose letters will also spell the word 'bridge'.
Post, as in postcard and posthaste.