The most common and most likely answer to this crossword clue is the 8 letter word OILSEEDS
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Buddy explains!
The straight part
We know that "Soy beans, for example" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case soy beans, for example = oilseeds.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does OILSEEDS mean?
OILSEEDS noun- The seed of any of several plants which are used commercially as a source of vegetable oil
- The plant that yields such seed