Oospore and Spore

Oospore noun - A thick-walled sexual spore that develops from a fertilized oosphere in some algae and fungi.

Spore and oospore are semantically related. In some cases you can use "Spore" instead a noun "Oospore".

Spore noun - A small usually single-celled asexual reproductive body produced by many nonflowering plants and fungi and some bacteria and protozoans and that are capable of developing into a new individual without sexual fusion.

Oospore and spore are semantically related. Sometimes you can replace term "Oospore" with "Spore", this nouns are similar.