larger human
This is used when two (or more) beings are together and the largest one happens to be a human compared to an anthro character, a feral animal, et cetera who is also present. This is typically used for couples with a notable size difference but can be non-romantic and non-sexual. The opposite situation is labeled smaller human.
See also:
Larger
Form
Gender
Smaller
Gender
Miscellaneous
This tag implicates size_difference, human (learn more).