As a noun maintainence is
.
maintainance
Not English
Maintainance has no English definition. It may be misspelled.
English words similar to 'maintainance':
maintenance,
mountainslope,
mountainside,
maintainable,
mentionable,
monodentate,
mountainscape,
mountainlike,
memadmittance,
mountenance,
mantienneite,
mountainite,
maintenaunce,
mountenaunce,
maintainence,
mayntenance