An open list of 76 words by vanishedone.
- aha appears on 7 other lists
- nun appears on 18 other lists and has 6 comments
- ant appears on 20 other lists and has 2 comments
- nag appears on 20 other lists
- balk appears on 42 other lists and has 1 comment
- onyx appears on 54 other lists
- bar appears on 31 other lists and has 9 comments
- one appears on 43 other lists and has 2 comments
- barf appears on 17 other lists and has 10 comments
- ones appears on 1 other list
- be appears on 35 other lists and has 3 comments
- or appears on 25 other lists and has 5 comments
- bin appears on 12 other lists and has 1 comment
- ova appears on 11 other lists
- ebbs
- roof appears on 9 other lists
- envy appears on 27 other lists
- rail appears on 23 other lists and has 1 comment
- er appears on 12 other lists and has 1 comment
- re appears on 15 other lists and has 1 comment
- errs
- reef appears on 19 other lists and has 1 comment
- flap appears on 21 other lists
- sync appears on 11 other lists
- fur appears on 22 other lists and has 3 comments
- she appears on 27 other lists and has 14 comments
- gel appears on 7 other lists and has 2 comments
- try appears on 18 other lists and has 10 comments
- gnat appears on 20 other lists and has 2 comments
- tang appears on 23 other lists and has 2 comments
- irk appears on 38 other lists
- vex appears on 84 other lists and has 2 comments
- clerk appears on 10 other lists and has 2 comments
- pyrex appears on 2 other lists and has 1 comment
- purely appears on 2 other lists
- cheryl appears on 2 other lists
- png
- cat appears on 97 other lists and has 28 comments
- sha appears on 3 other lists and has 1 comment
- fun appears on 40 other lists and has 4 comments
- furby
- sheol appears on 7 other lists
- terra appears on 3 other lists
- green appears on 93 other lists and has 1 comment
- what appears on 32 other lists and has 2 comments
- jung appears on 5 other lists
- url appears on 7 other lists and has 2 comments
- hey appears on 19 other lists and has 4 comments
- purpura appears on 6 other lists
- chechen appears on 1 other list
- shone appears on 5 other lists and has 1 comment
- fubar appears on 35 other lists and has 7 comments
- abjurer appears on 1 other list and has 1 comment
- nowhere appears on 14 other lists and has 3 comments
- becuna
- brava appears on 1 other list
- cheer appears on 10 other lists
- cheery appears on 5 other lists
- creel appears on 10 other lists and has 2 comments
- erava
- dhoon
- freen
- freir
- fubby
- greeny appears on 1 other list and has 2 comments
- oenin
- orphan appears on 24 other lists and has 3 comments
- perry appears on 7 other lists and has 8 comments
- purre appears on 1 other list
- purrel
- qubba
- renin appears on 2 other lists
- serra appears on 1 other list
- serve appears on 8 other lists
- shool
- terral

trochee It might be fun to find lots of rotational pairs (generalizing away from ROT 13) by using a variation on Knuth's anagram algorithm, only rotating the letters such that the first letter is always 'a' (rather than alphabetizing). Dec 31, 2009
scruss I cheated with my words, and just rot13'd my computer's /usr/share/dict/words file, and pulled out the words that were in the original, had 5 or more letters and weren't in vanishedone's list.
The following four letter words also meet the definition: abba, anan, anil, arba, avar, bana, bare, bean, birl, chab, chal, chat, chee, crag, crax, crea, crex, cuba, cuvy, erne, fant, faro, funt, gent, genu, gers, ghan, ghat, ghee, glee, gnar, grat, guna, gunj, gurl, gurr, hern, iraq, ivan, ivin, june, jura, nana, navy, neon, nine, noon, onan, oner, orna, ovey, penk, pent, perk, pern, phil, phon, pung, puno, puny, purr, rear, shag, snag, sneb, tane, teng, than, thaw, thee, they, trag, trah, tref, tuna, tung, turr, tyrr, urea, vend, vina, viva, whar, and when Dec 31, 2009