Difference between Queen Regnant and Princess

QUEEN REGNANT vs PRINCESS: NOUN

A queen reigning in her own right.
A female monarch who reigns in her own right, in contrast to a queen consort, who is the wife of a reigning king.
A female sovereign ruler

A female member of a royal family other than the queen (especially the daughter of a sovereign)
A woman member of a royal family other than the monarch, especially a daughter of a monarch.
A woman who is a ruler of a principality.
A woman who is a hereditary ruler; a queen.
A noblewoman of varying status or rank.
The wife of a prince.
A woman regarded as having the status or qualities of a princess.
The daughter of a sovereign: a female member of a royal family: in this sense a title of courtesy. Compare prince, 4.
A size of roofing-slate 24 inches long by 14 inches wide. Compare duchess, 2.
A female prince; a woman having sovereign power, or the rank of a prince.
The consort of a prince.
The eldest daughter of a sovereign.
The female monarch, or wife of a ruler, of a principality.
The daughter (or granddaughter) of a king, queen, emperor, empress, prince, or another princess.
A type of court card in the Tarot pack, coming between the 10 and the prince (Jack)
A beloved girl considered dainty; used as a term of endearment
A young girl or woman considered vain, spoiled or selfish; a prima donna
A tinted crystal marble used in children's games.
A female sovereign; a woman of princely rank.

Designed to hang in smooth, close-fitting, unbroken lines from shoulder to flared hem.

Regious, Kingling, Prince, Queen of england, Queenhood, Kingless, King, Grand duchess, Queen consort, Monarch, Female aristocrat, Queenlike, Queen dowager, Female monarch, Queen

Suitor, Diana, Honey, Baby, Sis, Sweetheart, Consort, Highness, Dowager, Mademoiselle, Contessa, Lady, Royal, Queen, Princesses

Unqueen, Regious, Kingling, Prince, Queen of england, Queenhood, Kingless, King, Grand duchess, Queen consort, Monarch, Female aristocrat, Queenlike, Queen dowager, Queen

Cabbage, Precious, Sissy, Suitor, Diana, Honey, Baby, Sweetheart, Highness, Dowager, Mademoiselle, Lady, Royal, Queen, Princesses

For example, Urraca, unlike any other woman discussed in this project, ruled as queen regnant, though her right to do so was frequently contested.
Queen Regnant automatically passes on her dynastic name to her son or daughter who succeeds her.
In most countries, Jeanne would automatically have become queen regnant on the death of her baby brother.

This time, Mario must save Princess Daisy, rather than Princess Toadstool, from her kidnapper, Tatanga, a mysterious spaceman.
Wooden letters hand painted with an adorable princess design, will look fabulous in her princess themed room.
As Princess Cruises began to expand and upgrade its fleet, the Sun Princess became redundant.
Clean up after guests at a princess birthday party with our Jeweled Pink Princess Napkins.
Princess Bubblegum, who mocked his youthful dream of one day becoming a Princess himself.
Princess Emerelda is not exactly an ideal princess.
Princess Tours of Your Princess Vacation Protection or Princess Platinum Vacation Protection plan payment.
Princess Cruises announced deployment changes for its liners Regal Princess and Majestic Princess.
Princess, Princess Cruises, Princess Vacation Protection, and Princess Platinum Vacation Protection are service marks of Princess Cruises, its affiliates, or its licensor.
The exceptions are Dawn Princess, Ocean Princess, Pacific Princess, Royal Princess, Sea Princess and Sun Princess.