The phrase "royal yard" is a noun. The plural is royal yards.
"Wildly" is an adverb . . . it modifies a verb (action word). "He was running around the yard wildly". 'Wildy' modifies the verb, 'running'.
part of speech
The part of speech for this particular word is a noun.
what part of speech is beneath
what part of speech is work
adverb
Yes, the yard is a part and yes, you can get charged.
the part of speech sashay is a averb
Did is a verb, and not is an adverb. Didn't is not any part of speech. It's a contraction of did and not.
The word speech is a noun.
Adjective