Some of the words that can be formed by envelope are:
Some words that can be formed from the word 'exchange' are:aaceacheageahanaxaxecagecancanechangeeachexengenehahaghanghehenhexnagnee
confirmation confirmed can be the words that are formed by confirm in it.
Words that can be formed from 'pass' are:aasassaspspasapsspas
The word is "envelope" (which usually holds only one letter).
The Greek word for "Envelope" is "φάκελος".
Some words that can be made from the word physical are:aailascapcashcaychapchipclapclashclaycliphahashasphayhiphisislalacylaplashlaylisppapailpalpipicaplayplysacsapscalpshy
Some words that can be made from the word northwestern are:eneonesterewehereheronhewhornhothownetnestnewnorthonotherownseeseensentsetsewsewnsowsownsternstreetstrewsweetswornteenterntestthethentherethornthreethrewthrowthrowntotontootorntorttottowtrottrothturntwowestwherewhetwhowonwornworstworth
35 four letter words can be formed. 35 four letter words can be formed. 35 four letter words can be formed.
Words that can be formed from the word "different" include these:deerdeferdefinedeftdendenierdentdeterdiedietdiffdifferdindinedinerdintdiredirtdriftedediteiderendentireerefedfeefeedfeetfenfendfernfieffiendfeintfenderfetidfiefiendfifefifteenfinfindfinefinerfirfirefitfreefreedfretfriedfriendIifininertinferinterireitneenetnitniternitreRedreedreefrefrefinerefitrendRentretierideriferiftrindteeteenTentendtenderterntidetietiedtierTintindertinetiretreetreedtrend
Acronym
The answer is an envelope. It contains a letter.
Words formed using the word dream are ram, read, red, made, mad, me, and ear. I hope this was helpful for you.