"Synovia" is a word in ENGLISH

synovia ENGLISH
Definition:

A transparent, viscid, lubricating fluid which contains
mucin and secreted by synovial membranes; synovial fluid.

Few words of positivity

I can speak of our baby like this to no one else. Who but his father would linger over the exact width of his gummy little smile or the blueness of his eyes, or the sweetness of his little lick of tawny hair on his forehead?

Philippa Gregory

WORD SUGGESTIONS
Laugh your heart out.

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mucus ENGLISH

Any other animal fluid of a viscid quality, as the synovial fluid, which lubricates the cavities of the joints; -- …

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serosity ENGLISH

A thin watery animal fluid, as synovial fluid and pericardial fluid.

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thoroughpin ENGLISH

A disease of the hock (sometimes of the knee) of a horse, caused by inflammation of the synovial membrane and …

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