The most commonly used basic transitional words are “conjunctions – and, or and not”.
There are other such transition categories viz. Comparison, chronology, cause, examples, addition, clarification, qualification, conclusion or summary.
Let us see words related to the given categories.
Comparison: likewise, similarly, on the contrary
Chronology: later, before, during, simultaneously
Cause: because, since, therefore, as a result
Illustration: truly, to demonstrate, specifically
Addition: furthermore, also, moreover
Clarification: in otherwords, put in another way
Qualification: almost, possibly
Summary / conclusion: given these points, in the long run