The words envelop and envelope originated from the French word envoluper, which may be the reason some people get confused aside from their similar appearance. Despite these similarities, they have different pronunciations, meanings, and uses. This post will help you identify these differences and enable you to use these terms correctly in your writing.
The word envelop is used as a verb which means “to wrap up, cover, or surround completely” or “to put a covering completely around.” Its forms include envelops (present), enveloped (past / participle), and enveloping (progressive).
Brutal and ‘bone-chilling’ cold envelops US east coast two days after storm
Hazy and foggy weather envelop most parts of UAE
Julian Edelman also saw Rob Gronkowski’s enveloping sideline hug of Danny Amendola
On the other hand, the term envelope functions as a noun that most commonly refers to “a flat paper container with a sealable flap, used to enclose a letter or document.”
Charities continue to use stamps on reply envelopes to encourage donations
Linn’s Stamp News
Jimmy Kimmel’s new Oscar promo is all about last year’s envelope drama, and LOL
3 hospitalized after state trooper opens envelope containing suspicious substance
Additionally, there is the idiom “push the envelope,” which means “to go beyond the usual or normal limits by doing something new, dangerous, etc.”
CFPB Chief Mulvaney Says Days of ‘Pushing the Envelope’ Are Over
How Producer Blake Mills Coaxes Musicians Into Pushing the Envelope
New York Times
Jewish General Hospital pushes envelope in robotic surgery