here are a few from my own list !! apologies for repeats
aurembiaix → auri, rory, remy, emmie, bea
eurydice → rory, issy
isolde → izzy, ollie
persephone → percy, effie, poppy, posy, penny, pippa
antigone → annie, anya, tiggy
ariadne → addie, ari
florentia → flora, fia
astydamea → addie, mia
andromache → romy, andie
belphoebe → bella, phee
chrysothemis → chrissy, thea, emmie
amphitrite → amy, phia, attie
clytemnestra → nessie, emmie
elsinore → elsie, nora
guinevere → guin, neve, vera
polyhymnia → polly, mia
adrastea → addie, rae, tea
melpomene → mel, pom, mia
corisande → cora, corey, andie
endellion → ellie, nell, edie, della
proserpine → posy, ina, pip
liriope → lia, poppy, pip
cybele → sybbie, belle, bella, libby
astraea → rae, ara, attie
marianthe → mari, annie, thea, mina
drusilla → dru, lilly
artemisia → art, ari, ara, missy, temi, mia
helisent → elsie, lissy, hetty, ela
atalanta → attie, lana, lani, anna
hildegarde → hildie, ara
chalciope → charlie, alcie, poppy, pip
emeraude → emmie, maudie
halimede → hallie, mea, addie
iolanthe → ila, lani, thea
ludovica → lulu, dovie, vic, lia
agathonike → aggie, thea, nia, annie
terpsichore → cora, corey, tessa
xanthippe → annie, pippa, thea
amalthea → amy, allie, lea, thea
zosime → zoe, immy
roselaine → rosie, lainey
oresteia → ora, este, tea, essie, tessa
megaera → meg, mae, ara
alecto → allie, leo
tisiphone → issy, finn, pip
leodice → leo, lea, issy, lizzie
iphigenia → effie, ginny, nia, fia, finn
ephydamea → effie, edie, mea, emmie
connemara → connie, cora, mara
ashtoreth → ash, tori, ettie