rot13: replace a letter with the letter 13 positions further in the alphabet.
See also Caesar cipher.


English words that rot13 to other words

According to the unix "words" dictionary on my system. 
Some names included, too.

Abba -> noon
abjurer -> nowhere
ah -> nu
ant -> nag
balk -> onyx
bar -> one
be -> or
clerk -> Pyrex
crag -> pent
ebbs -> roof
eng -> rat
envy -> rail
errs -> reef
faber -> snore
fur -> she
gel -> try
gnat -> tang
green -> terra
ink -> Vax
irk -> vex
Junes -> wharf
Jura -> when

Words that rot13 into their reverse

Words that are reversed when rot13 is applied. Tang/gnat is the only 
combination with actual meaning both ways.

an -> na
fans -> snaf
gnat -> tang
ravine -> enivar
re -> er
robe -> ebor
serf -> fres
thug -> guht




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