"Leaven" is a word in ENGLISH

leaven ENGLISH
Definition:

Any substance that produces, or is designed to produce,
fermentation, as in dough or liquids; esp., a portion of fermenting
dough, which, mixed with a larger quantity of dough, produces a general
change in the mass, and renders it light; yeast; barm.

leaven ENGLISH
Definition:

To imbue; to infect; to vitiate.

leaven ENGLISH
Definition:

To make light by the action of leaven; to cause to
ferment.

leaven ENGLISH
Definition:

Anything which makes a general assimilating (especially a
corrupting) change in the mass.

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.

Why do hamburgers feel sad at barbecues?They get to meet their old flames!

yeast ENGLISH

The foam, or troth (top yeast), or the sediment (bottom yeast), of beer or other in fermentation, which contains the …

Read the complete definition