pet·ro·dol·lars 
(pĕtrō-dŏl′ərz)
(pĕtrō-dŏl′ərz)pl.n.
Money in any number of currencies that is paid to oil-producing countries, which then deposit it into Western banks.
- knowable
- knowed
- knower
- know-how
- knowing
- knowingly
- knowingness
- know in the biblical sense
- know-it-all
- knowledgable
- knowledge
- knowledgeability
- knowledgeable
- knowledgeably
- knowledge base
- knowledge engineer
- knowledge engineering
- known
- know-nothing
- know-nothingism
- know one's place
- know place
- know (someone) in the biblical sense
- know someone in the biblical sense
- Knox