Invasion is the abstract noun form.
The abstract noun form for the verb to understand is the gerund, understanding.
No, it is a noun. "Invade" would be the verb.
The abstract form of "lone" could be solitude or aloneness, representing a state of being alone or isolated.
The abstract noun form of the adjective tardy is tardiness.
Yes, most abstract nouns do have a plural form; for example:hope - hopesfashion - fashionsidea - ideasfreedom - freedomsfear - fearsSome abstract nouns rarely, if ever, need a plural form, for example:the rich or the poorindependencecourageousnessagility
The abstract noun forms of the verb to intrude are intrusion and the gerund, intruding.
The abstract noun form of the adjective unique is uniqueness.
The abstract noun form of the adjective 'polite' is politeness.
The abstract noun form of the adjective 'different' is differentness.A related abstract noun form is difference.
The abstract noun form of the adjective 'attentive' is attentiveness.A related abstract noun form is attention.
most abstract
The word 'loveable' is the adjective form of the abstract noun love.The abstract noun form for the word loveable is loveableness.
The abstract noun form of the verb to clean is the gerund, cleaning.The abstract noun form of the adjective clean is cleanness.The abstract noun form of the adverb cleanly is cleanliness.
The abstract noun form for the adjective abusive is abusiveness. Another abstract noun form is abuse.
The abstract noun form for the adjective ambitious is ambitiousness. Another abstract noun form is ambition.
The abstract noun form of the adjective 'tenacious' is tenaciousness.A related abstract noun form is tenacity.
The abstract noun form of the adjective terrible is terribleness.A related abstract noun form is terror.