oil

öljy

öljytä

öljymaali liquid Liquid fat.
petroleum Petroleum-based liquid used as fuel or lubricant.
(quote-magazine)
An oil painting.
1973, John Ulric Nef, Search for meaning: the autobiography of a nonconformist (page 89)

Yet, in another way, I was unable to put Picasso's oils in the same class as Cezanne's, or even (which will no doubt shock many readers) as Renoir's.