Note: these 'words' (valid or invalid) are all the permutations of the word city. These words are obtained by scrambling the letters in city.
Definitions and meaning of city
citie, cittie, cyte, cytee (obsolete)
From Middle Englishcity, citie, citee, cite, from Old Frenchcité, from Latincīvitās(“citizenry; community; a city with its hinterland”), from cīvis(“native; townsman; citizen”), from Proto-Indo-European*ḱey-(“to lie down, settle; home, family; love; beloved”).
Cognate with Old Englishhīwanpl(“members of one's household, servants”). See hewe. Doublet of civitas.
A large settlement, bigger than a town; sometimes with a specific legal definition, depending on the place.
So this was my future home, I thought![…]Backed by towering hills, the but faintly discernible purple line of the French boundary off to the southwest, a sky of palest Gobelin flecked with fat, fleecy little clouds, it in truth looked a dear little city; the city of one's dreams.
(Britain) A settlement granted special status by royal charter or letters patent; traditionally, a settlement with a cathedral regardless of size.
1976, Cornelius P. Darcy, The Encouragement of the Fine Arts in Lancashire, 1760-1860, Manchester University Press (→ISBN), page 20
Manchester, incorporated in 1838, was made the centre of a bishopric in 1847 and became a city in 1853. Liverpool was transformed into a city by Royal Charter when the new diocese of Liverpool was created in 1880.