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The combining form -rrhiza is used like a suffix meaning “root.” It is often used in scientific terms, especially in botany.

The form -rrhiza comes from the Greek ����í����, meaning “root.”

What are variants of -rrhiza?

In some instances, the combining form -rrhiza is spelled with a single –r-, becoming –rhiza. For instance, the spelling mycorhiza is an acceptable variant of mycorrhiza.

Corresponding forms of -rrhiza combined to the beginning of words are rhizo- and rhiz-.

Want to know more? Read our �y��vlogs That Use rhizo- article.

One example of a scientific term that features the combining form –rrhiza is mycorrhiza, also known as “fungus root.” Generally speaking, mycorrhiza is a fungus that grows in a symbiotic relationship with the roots of plants.

The first part of the word, myco-, is a combining form meaning “mushroom, fungus.” The combining form -rrhiza means “root,” as we know. Mycorrhiza literally translates to “fungus root.”

What are some words that use the combining form -rrhiza?

• ectomycorrhiza
• endomycorrhiza
• ectotrophic mycorrhiza
• endotrophic mycorrhiza

What are some other forms that -rrhiza may be commonly confused with?

• -rhea
• -rrhea
• –rrhexis
• rheo-
• rhino-

The combining form ecto- means “outside.” With this in mind, where on the roots of a plant would you expect to find a type of fungus known as ectomycorrhiza?