useless trivia: What Word Means: Fragrant?

Questions

Hydroxydesoxycorticosterone and hydroxydeoxycorticosterones are the largest---------- .?

If you look carefully at the picture of Mona Lisa, you will notice a ---------- in the background.?

In English, ---------- is the only digit that has the same number of letters as its value.?

In most---------- , including newspapers, the time displayed on a watch is 10:10.?

In the 40's, the Bich pen was changed to Bic for fear that Americans would pronounce it '---------- .'?