Bible: Grass Flower Is

Repeated words found across different books in the Bible (KJV):
Isa 40:6
The voice said, Cry. And he said, What shall I cry? All flesh is grass, and all the goodliness thereof is as the flower of the field:

Isa 40:7
The grass withereth, the flower fadeth: because the spirit of the LORD bloweth upon it: surely the people is grass.

Jas 1:10
But the rich, in that he is made low: because as the flower of the grass he shall pass away.

Jas 1:11
For the sun is no sooner risen with a burning heat, but it withereth the grass, and the flower thereof falleth, and the grace of the fashion of it perisheth: so also shall the rich man fade away in his ways.

1Pet 1:24
For all flesh is as grass, and all the glory of man as the flower of grass. The grass withereth, and the flower thereof falleth away: