different between figless vs firless

English

fig +? -less

figless (not comparable)

Without figs.
- 2009, Robert E. Speer, Christ and Life
  The other event of this day in Jesus' life fortified and enlarged this teaching of His from the figless tree.

fir +? -less

firless (not comparable)

(rare) Without fir trees.
- 1882, William Yarrell, Alfred Newton, Howard Saunders, A history of British birds
  The Great Desert of Africa of course puts a limit to its wanderings, and the firless plains of Egypt equally discourage its approach.

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