Acervulus and Fruiting body

Acervulus noun - Small asexual fruiting body resembling a cushion or blister consisting of a mat of hyphae that is produced on a host by some fungi.

Fruiting body and acervulus are semantically related. In some cases you can use "Fruiting body" instead a noun "Acervulus".

Fruiting body noun - An organ specialized for producing spores.

Acervulus and fruiting body are semantically related. Sometimes you can replace term "Acervulus" with "Fruiting body", this terms are similar.