What is the noun form of 'Propose'?

এই টপিকের আরও কিছু প্রশ্ন:

• Strike while the iron is hot - This is an example of:
• In the sentence "The cloud burst caused severe flooding" - what is 'cloud burst'?
• To win a prize is my ambition - The underlined part is a/an:
• Early riser - Here 'early' is a/an:
• Depression is often hereditary - What part of speech is 'hereditary'?