What is the word form of "access"?

What is the word form of access depends on grammar, as access can function as multiple word forms. Primarily, access is a noun meaning ability to enter or obtain, for example I have access to the building. It can also be used as a verb meaning to obtain or retrieve, for example to access the file, though some traditionalists consider this verb usage jargon, modern usage accepts it. As a verb, past tense is accessed, present participle accessing, third person singular accesses. The adjective form is accessible meaning able to be accessed or entered, or inaccessible meaning not accessible. The adverb form is accessibly. There are related noun forms like accessibility meaning quality of being accessible, and accessor meaning one who accesses. In computing, access can be part of compound nouns like access control, access log, access point. The word form changes with suffixes, access plus ible makes accessible, access plus ibility makes accessibility. In grammar classification, access is countable and uncountable noun, transitive verb when used as to access data, and part of phrasal constructions. So access functions as noun and verb, with derived forms accessible, accessibility, and accessed.