The phrase "supposedly different" is correct and usable in written English.
You could use this phrase when referring to two items that are believed to be distinct from one another, but it is not yet certain whether or not they are in fact different. For example, "The two varieties of apples are supposedly different, but they still look very similar to me."
This time, however, it is supposedly different because of the potential of information technology.
He added that messages from supposedly different individuals and groups used similar phrases.
The scientists went on to compare the Dmanisi remains with those of supposedly different species of human ancestor that lived in Africa at the time.
Just as some light-skinned blacks are able to pass for white, Mrs. Dragan is able to experience the world as an "undercover" member of a supposedly different racial group.
These are affective states, but supposedly different in kind from the genuine passions and without their cognitive, moral, and metaphysical failings.
That is, he argues with respect to the EPR/B experiment that the collapses induced by the L- and the R-measurement are local events in the L- and the R-wing respectively, and that the supposedly different collapses (corresponding to different reference frames) postulated by the hyperplane-dependent theory are only different descriptions of the same local collapse events.
Twitter users said three of the five photos of individuals supposedly representing different parts of Egyptian society appeared to have been taken from foreign stock picture libraries.
The motives of these students in choosing entrepreneurship as a main subject within a general course of studies are supposedly very different: They range from the compulsory attendance of the subject and the expectation to select a supposedly easy subject to an honest interest and enthusiasm for the issue (therefore the "ambition" is noticeable).
Vegans, everyone!" Tel Aviv is known to Israelis as habuah, the bubble, because it is supposedly very different from the rest of the country.
Those who support President Trump generally feel harassed if not threatened by those who say they are liberals and thereby supposedly tolerate different points of view, but really don't.
These supposedly have different kinetic properties.
