philo-, phil-, -phile, -philia, -philic, -philous, -phily, -philiac, -philist, -philism +
(Greek: love, loving, friendly to, fondness for, attraction to; strong tendency toward, affinity for; no hate, hatred, dislike, or negative responses)
ocmophile, ochthophily
In psychiatry, a co-dependent lover; a smothering, obsessive partner.
ocnophile
1. In psychiatry, a term for the person with a type of primitive two-person relationship in which the subject is clingingly dependent on an overvalued object and is unable to make any move toward independence.
2. A smothering, obsessive partner.
oenophil, oenophile, oenophily, enophil, enophile, enophily
A special love of, or fondness for, wine; including collecting and drinking.
olfactophilia
In psychiatry, a sexual perversion in which odor (especially genital, anal, or axillary) is necessary, or at least desirable, for sexual arousal and orgasm.
ombrophilous, ombrophile, ombrophily
In biology, thriving in habitats having an abundance rain.
ophiophilist
Someone who has a special fondness for snakes and other reptiles.
ophisophilist
A collector of snake skins.
opophilous, opophile, opophily
In biology, thriving or feeding on plant sap (juice).
opticophilist
A collector of eye glasses.
orgadophilous, orgadophile, orgadophily
In biology, dwelling and thriving in open woodlands.
ornithocophilous, ornithocophile, ornithocophily
In biology, living and thriving on the excreta of birds.
ornithophilous, ornithophily
1. A love of birds; or, in biology, pollination by birds.
2. The pollination of plants by the actions of birds.
orophilous, orophile, orophily
In biology, thriving in subalpine, or in mountainous regions.
osmophile
Thriving in a medium of high osmotic concentration.
oxidephilist
A collector of enamel work.

You may take a self-scoring quiz over some of the words in this section by just clicking this
Philo Quiz #1 link.
Related "love, fondness" units:
agape-;
amat-;
vener-;
venus.