speculations

As a verb conjecture

is .

As a noun speculations is

.

As a verb rumors

is (rumor).

As a noun speculations is

.

As nouns the difference between speculations and hypothesis

is that speculations is while hypothesis is (sciences) used loosely, a tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further observation, investigation and/or experimentation as a scientific term of art, see the attached quotation compare to theory, and quotation given there.

As nouns the difference between speculations and assumptions

is that speculations is plural of speculation while assumptions is plural of lang=en.

As nouns the difference between speculations and reliability

is that speculations is while reliability is the quality of being reliable, dependable or trustworthy.

As nouns the difference between speculations and theory

is that speculations is while theory is (obsolete) mental conception; reflection, consideration.