As far as I'm aware, the only pair of words spelled as such in Italian are:
The list increases somewhat if you expand your criteria from words ending ...è
vs ...é
to words with terminal stress /ˈɛ/
vs /ˈe/
(seemingly all monosyllabic):
- re vs re
- v'è vs ve, 've, ve' (veh)
- c'è vs ce
- uè1 vs UE
- me' vs me, me'
- che vs che
- deh vs de, de'
- neh vs ne, né, ne'
- tè4, te' vs te
- è, eh, he vs e, e'
- bè (beè), be' (beh) vs be2, Bé
1. Onomatopoeic
2. Antiquated or regional variant of bi (B)
3. Chemical symbol
4. Alternate (rarer) spellings: thè, the
Further Note
Most Italian polysyllabic words ending ...è
are naturalised loanwords from French, given names, or contractions with ... + è. Almost all those ending ...é
are compounds of ... + ché or numbers whose unit part is three (... + tre (tré)):
"...è"
• bebè (from Fr. bébé)
• bidè (from Fr. bidet)
• bignè (from Fr. beignet)
• corvè (from Fr. corvée)
• cupè (from Fr. coupé)
• defilè (from Fr. défilé)
• gilè (gile) (from Fr. gilet)
• lacchè (from Fr. laquais)
• narghilè (narghile) (from Fr. narghilé)
• nattè (from Fr. natté)
• oboè (òboe) (from Fr. hautbois) (antiquated spelling)
• purè (from Fr. purée)
• relè (from Fr. relais)
• caffè, tostacaffè, macinacaffè (from Ottoman Turkish قهوه (kahve))
• macramè (from Turkish makreme)
• aloè (àloe) (from Lat. alŏe, from Gr. ἀλόη)
• ahimè (aimè, omè) (ahi + me)
• cioè (ciò + è*)
• com'è (come + è)
• cos'è (cosa + è)
• dov'è (dove + è)
• piè (piede)
• fendè (fendé) (third-person singular past historic of fendere)
• temè (temé) (third-person singular past historic of temere)
• Eunoè (given name, coined by Dante from Greek eu + nous)
• Giosuè (given name, cog. Joshua)
• Iosè (given name, cog. Josephine)
• Letè (Lete) (given name, from Lat. Lethe) (antiquated spelling)
• Mosè (given name)
• Noè (given name, from Ancient Greek Νῶε (Nôe))
"...é"
• alé, d'emblée, mercé, testé, marron glacé
• acciocché, affinché, allorché, ancorché, benché, centotré, checché, cosicché, conciossiaché, dacché, finché, fintantoché, fuorché, giacché, granché, imperocché, nonché, ondeché, perché, poiché, purché, sicché, sinché, talché, tantoché, trentatré, tuttoché
• ventitré, cinquantatré, sessantatré, settantatré, ottantatré, novantatré, centoventitré, centotrentatré, centoquarantatré, centocinquantatré, centosessantatré, centosettantatré, centottantatré, centonovantatré, duecentotré, cinquecentotrentatré, cinquecentoquarantatré, cinquecentocinquantatré, cinquecentosessantatré, cinquecentosettantatré, cinquecentonovantatré