What is the proper noun the flower for each common noun?

Answer 1

Since there are hundreds of thousands of common noun, that will not be possible. I can provide a sample of common nouns with corresponding proper nouns:

1. actor= Robert DiNiro, Jim Carrey, Meryl Streep, John Barrymore, Drew Barrymore.
2. boots=Ugg Boots, Staheekum Boots, Tony Lama Boots, Wolverine Boots.
3. car=Rolls Royce, Ford Focus, RAM 3500, Ferrari FF, Honda CR-V, Kia Optima.
4. dog='Dog Day Afternoon', Lassie, Santa's Little Helper, Benji, Bruiser.
5. egg=Humpty Dumpty, Eggland Eggs, 'Green Eggs and Ham', Cadbury Creme Egg.
6. frog=Kermit The Frog
7. ground=Ground Zero Memorial, 'On Frozen Ground', Ground Street, Moran, Texas.
8. help='Help!' (the Beatles), 'The Help' (by Kathryn Stockett), Our Lady Help of Christians.
9. idea=Declaration of Independence, 'War and Peace' by Leo Tolstoy, Project Hope.
10. jack=Jack Nicholson, Jack Black, Jack and Jill, 'Hit the Road Jack!' (Ray Charles).
11. kiss='Kiss of the Spider Woman', KISS, 'This Kiss' (Faith Hill), The Kiss by Klimt.
12. light=Judith Light, Cooking Light Magazine, 'Charge of the Light Brigade', Industrial Light & Magic.
13. mountain=Mount Rushmore, Kilimanjaro, Everest, 'Cold Mountain', Stone Mountain, Georgia.
14. name=Jennifer, Jeffrey, 'The Name Game' (Shirley Ellis), Rockefeller, 'The Name of the Rose'.
15. onion=Lipton Onion Soup Mix, The Purple Onion, San Francisco CA, 'Onionhead'.
16. place=The North Pole, Yellowstone National Park, London England, China, Hawaii.
17. queen=Queen Latifah, Queen Elizabeth II, RMS Queen Mary 2, Queen (band).
18. road='The Road', Abbey Road, London England, The Silk Road, 'Tobacco Road' by Erskine Caldwell.
19. star=North Star (Polaris), 'Star Wars', 'Star Trek', Star magazine, 'The Star Bangled Banner'.
20. thing=The Statue of Liberty, The Eiffel Tower, The Great Wall of China, 'The Thing'.
21. underwear=Calvin Klein, Fruit of the Loom, Playtex, Depend, Underoos, Hanes.
22. vanilla=Grandma's Mini Vanilla Creme Cookies, Swiss Maid Vanilla Caramels, 'Vanilla Sky'.
23. water='Water for Elephants', Fiji Water, Water Street, Williamstown MA, The Chicago Water Tower.
24. xylophonist=Evelyn Glennie, Scottish Percussionist.
25. year=Trisha Yearwood, 2012 Year of the Dragon, 'The Year of Living Dangerously', 'Year One'.
26. zoo=San Diego Zoo, Central Park Zoo, Zoo Tycoon, 'We Bought a Zoo', Zoo Bridge, Queens NY.

Answer 2

Flower is a common noun. Proper nouns are the unique names of people, places, or things. Common nouns are the words for general things. If a common noun is part of a name, it becomes a proper noun. Pronouns always replace proper and common nouns.

Answer 3

The word 'flower' is a noun, a singular, common, concrete noun; a word for a thing.