preliminarily

As an adjective preparatory

is of or pertaining to preparation, having the purpose of making something or someone ready, preparative.

As an adverb preliminarily is

in a preliminary manner.

As adverbs the difference between preliminarily and formerly

is that preliminarily is in a preliminary manner while formerly is at some time in the past.

As adverbs the difference between provisionally and preliminarily

is that provisionally is in a provisional way; temporarily while preliminarily is in a preliminary manner.

As adverbs the difference between tentatively and preliminarily

is that tentatively is of, or having to do with being tentative while preliminarily is in a preliminary manner.

As adverbs the difference between primarily and preliminarily

is that primarily is (focus) of a primary or central nature, first and foremost while preliminarily is in a preliminary manner.

As adverbs the difference between preliminarily and beforehand

is that preliminarily is in a preliminary manner while beforehand is at an earlier or preceding time.

As an adjective beforehand is

(obsolete) in comfortable circumstances as regards property; forehanded.

As an adjective elementary

is relating to the basic, essential or fundamental part of something.

As an adverb preliminarily is

in a preliminary manner.

As adverbs the difference between initially and preliminarily

is that initially is at the beginning while preliminarily is in a preliminary manner.