amour fou
French noun phrase
ä-ˈmu̇r-ˈfü 
: mad love : obsessive passion
- opisthograph
- opisthographic
- opisthographical
- opisthographs
- opisthography
- opisthogyrate
- opisthomere
- Opisthomi
- opisthomous
- opisthonephroi
- opisthonephros
- Opisthoparia
- opisthoparian
- opisthorchiid
- opisthosoma
- opisthosomal
- opisthosomata
- opisthosomatic
- opisthotic
- opium
- opium poppy
- opiumism
- opiumisms
- opiums
- Oplegnathidae