diplomatically

is likely misspelled.

has no English definition.

As an adverb diplomatically

is in a diplomatic manner.

As an adverb diplomatically

is in a diplomatic manner.

As a noun appearance is

the act of appearing or coming into sight; the act of becoming visible to the eye.

As an adverb diplomatically

is in a diplomatic manner.

As a verb look is

to try to see, to pay attention to with one’s eyes.

As a noun look is

the action of looking, an attempt to see.

As a proper noun Look is

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As adverbs the difference between diplomatically and subtly

is that diplomatically is in a diplomatic manner while subtly is with subtleness, in a subtle manner with cleverness rather than brute force.

As adverbs the difference between diplomatically and tactfully

is that diplomatically is in a diplomatic manner while tactfully is in a tactful manner.