Act is a noun (an act of kindness) and a verb (she acts like a child).
The word inference is a noun. It is the act of inferring.
The word immigration is a noun. It is the act of immigrating.
The word destruction is a noun. Destruction is the act of destroying something.
The part of speech that the word my is used as is an adjective.
The word bravery is a noun. It is a brave act.
The word survival is a noun. It is the act of surviving.
The word anesthetization is a noun. It is the act of anesthetizing.
The word repression is a noun. It is the act of repressing.
The word inference is a noun. It is the act of inferring.
The word magnification is a noun. It is the act of magnifying.
The word immigration is a noun. It is the act of immigrating.
The word contortion is a noun. It is the act of contorting.
The word brusqueness is a noun. It is the act of being brusque.
The word 'colonization' or 'colonisation', meaning 'the act of colonising', is a noun.
The word determination is a noun. It is the act of determining.
The word destruction is a noun. Destruction is the act of destroying something.
The part of speech that the word my is used as is an adjective.