Intrusion is a noun.
The word 'intrusion' is a noun.
"Intrusion" is a noun.
"Intrusion" is a noun. Words ending in "-ion" are virtually always nouns.
"Intrusion" is a noun. It refers to an act or instance of intruding or an unwanted presence that disrupts or interrupts something.
All of those words are nouns.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.