I’ve spent a happy day thinking of/writing these in between doing all of my boring weekend chores! 
Credit to my niece for this one - Cathedral “Cath”!
[name_m]Bensiabel[/name_m] “Ben”
[name_m]Bartholomew[/name_m] “Art” “Arlo”
[name_m]Meridian[/name_m] “Merry”
[name_f]Crescentia[/name_f] “Cress” “Cressie” “Cressa”
“Daisy” “Diane” “Diana”
[name_f]Antigone[/name_f] “Tiggy”
[name_f]Aurembiaix[/name_f] “Remi” “Ray”
[name_f]Blanchefleur[/name_f] “Fleur” “Flora” “Florrie”
Theodenanda “Theo” “Nan” “Thea” “Didi”
Britomart/Britomartis “Brit” “Mattie” “Mari”
Hrodohaidis “Ro” “Heidi”
Genovefa “Jen” “Jenny” “Jenna”
[name_f]Callidora[/name_f] “Cal” “Lida” “Alli”
[name_m]Spartacus[/name_m] “Cass” “Art” Arty"
[name_m]Firefly[/name_m] “Fife”
[name_m]Figaro[/name_m] “Iggy”
[name_m]Archimedes[/name_m] “Archie”
Algermon “Jon”
[name_m]Boniface[/name_m] “Bo”
[name_m]Prochorus[/name_m] “Corey”
[name_m]Aniketos[/name_m] [name_f]Girl[/name_f] “Nick”
[name_m]Sycamore[/name_m] “Sam” “Sammy” “Morrie”
[name_f]Bleuenn[/name_f] “Leni”
[name_f]Sheherazade[/name_f] “Zadie”
Word names with little or no use for names on people so far as I am aware. They come my list of favourite words in a notes app :grin:
Myriad “Miri” “Myra”
[name_m]Meander[/name_m] “Mimi” “Anders”
[name_f]Ephemera[/name_f] “Effie”
Vanquish ‘‘Van’’ “Quin”
Kindling “Kindy”
Sagacity “Saga” “City” “Sissy”
Clandestine “Clancy” “Tina”
Sequin “Quin”
Adamantine “Adam” “Ada” “Tina” “Mandy”
Diaphanous “Dia”