Letters that make add-on
a, o, d, n are letters that make 'add-on'
2 possible definitions for 'add-on'
Under this definition, add-on is a noun and has the following properties:
'add-on' can be a type of component, constituent, element.
annex, annexe, extension, wing, extension, elongation, afterthought, additive, attachment are types of 'add-on'.
add on, improve, meliorate, contribute, bestow, impart, lend, amend, add, bring, better, ameliorate are derivatives of 'add-on'.
Under this definition, add-on is a noun and has the following properties:
appurtenance, supplement, accessory have the same meaning as 'add-on'
'add-on' can be a type of component, constituent, element.
auto accessory, fixings, fitting, computer accessory, trimmings are types of 'add-on'.
supplement, adjunct, adjuvant, auxiliary, add on, pertain, appertain, affix, append, supplementary, supplemental, accessorial, subsidiary, accessory, ancillary, appurtenant are derivatives of 'add-on'.