Epilogue – a section or speech at the end of a book or play that serves as a comment on or a conclusion to what has happened.

The one word substitution is Charlatan – quack.

Eg: I heard a quack and saw some ducks huddled together.

Oligarchy – a small group of people having control of a country or organization

stroll – amble (walk in a leisurely way)

widower – a man who has lost his spouse by death and has not married again.

Isthmus – a narrow strip of land with sea on either side, forming a link between two larger areas of land.

Insolvant – the state of being insolvent

calligraphy – decorative handwriting or handwritten lettering

Fraud – wrongful or criminal deception intended to result in financial or personal gain.

Numismatist – someone who studies or collects coins, paper money, or medals.

Obsolete- no longer produced or used; out of date.

One word substitution is connoisseur –  a person who knows a lot about and enjoys one of the arts, or food, drink, etc. 

One word substitution is Veteran -a person who has had long experience in a particular field.

One word Substitution is Flora – Flora is the plant life occurring in a particular region or time, generally the naturally occurring or indigenous

One word substitution is Ascetic- avoiding physical pleasures and living a simple life, often for religious reasons