Spring up and Spread out

Spring up verb - To come to one's attention especially gradually or unexpectedly.

Spread out and spring up are semantically related in extend topic. In some cases you can use "Spread out" instead a verb "Spring up".

Spread out verb - To arrange the parts of (something) over a wider area.

Spring up and spread out are semantically related in extend topic. Sometimes you can use "Spring up" instead a verb "Spread out".