What are some squ words and there mening is fuss or quarrel about something unimportant?

You're looking for words that describe a fuss or quarrel over something trivial. Here are some words that fit the bill, not all of them starting with "squ":

Words with "squ"

* Squabble: A petty argument or quarrel.

* Squawk: To complain loudly and insistently, often about a minor issue.

Other words

* Bicker: To argue in a petty or childish way.

* Nitpick: To find fault with minor details.

* Quibble: To argue about trivial matters.

* Wrangle: To argue heatedly over something unimportant.

* Tiff: A minor argument or disagreement, often between couples.

* Spat: A brief argument or disagreement.

* Row: A noisy argument or disagreement.

These words all convey a sense of minor, often silly, conflict over something that isn't really worth arguing about.