different between strangeness vs peculiarity

English

From strange +? -ness.

strangeness (usually uncountable, plural strangenesses)

(uncountable) The state or quality of being strange, odd or weird.
Synonyms: oddity, weirdness; see also Thesaurus:strangeness
(countable) The product or result of being strange.
(particle physics) One of the quantum numbers of subatomic particles, depending upon the relative number of strange quarks and anti-strange quarks.
Coordinate term: charm

peculiar +? -ity

peculiarity (countable and uncountable, plural peculiarities)

The quality or state of being peculiar; individuality; singularity.
The peculiarity of meeting six people on a usually deserted trail only struck me later on.
That which is peculiar; a special and distinctive characteristic or habit; particularity.
- 1853, Charlotte Brontë, Villette, Chapter 4:
  I had often heard of Miss Marchmont, and of her peculiarities (she had the character of being very eccentric), but till now had never seen her.
- 1870, Louisa May Alcott, quoted in 2011, Daniel Shealy, Little Women Abroad: The Alcott Sisters' Letters from Europe, 1870-1871
  I thought Alice and H. J. P. would have fainted at the full spectacle; but we are fast getting used to the little peculiarities of foreigners and I trust they will forgive us many sins in return.
- 1873, Specifications and Drawings of Patents Issued from the U.S. Patent Office
  The peculiarity of this invention consists in a means for varying the angle at which the plaiting-blade is held in the plaiter without varying the position of the entire instrument upon the sewing-machine.
Exclusive possession or right.

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