Difference

… differ in a number of respects

… differs considerably from …

… differs significantly from …

… is or are markedly different from or to …

… differs slightly from …

… differs only in small respects from …

an important difference or distinction

though the similarity is clear, there is a crucial or an important difference

There is a fundamental difference between …

There are a number of important differences, not only in …, but also …

What differentiates … is …

a distinction between … and …

to make or draw a distinction between …

A distinction must be made between …

It is important to distinguish between …

This distinction is important, because …

Differentiation of … is important for two etc. reasons

maintenance of this distinction is important because …

… poses different problems to …

to differentiate …

… is not consistent with …

this is not the case for …

the same is not true for …

the analogy does not hold for …

this parallel does not, however, extend to …

The disparity between the results may be due to …

The discrepancy between … and … may be explained by …

… deviates from …

… diverge considerably or widely

diverging views of …

unlike …

… not necessarily identical or the same

Some …, while or whereas others …

… runs counter to …

… at odds with current theories of …

the dividing line between … and …

the dichotomy of or between … and …

… and … are mutually exclusive