First of all 'WA' is not a word.
Secondly, there are many, many synonyms for argument,
but none of them contain the letters 'WA' in that order.
A small argument can be called a spat, tiff, difference, brush, clash, scrap, et cetera...
Another word for "small argument" is: Quarrel. Qwa-rel.
Tiff.
A slight disagreement. A tiff. A spat. In debate, your "Argument" is designed to prove one side of the issue under debate.
An argument or quarrel
DISAGREEMENT
An achenium is another word for an achene - botanically speaking, a small, dry, indehiscent fruit containing a single seed, such as the buttercup.
Empty
Another word for coarse or containing grains is "granular." This term describes a texture that is made up of small, distinct particles or grains, often used in contexts like soil, sugar, or certain materials. It conveys a sense of roughness or unevenness in texture.
Quarrel is another word for an argument. Are you thinking of a quail?
One Word Leads to Another.
candidate
chubby