The Words for "Love" in the Greek New Testament*
Stergein is a love that has its basis in one's own nature. It speaks of the constitutional efflux of natural affection.
Eran is a love that has its basis in passion, and its expression takes the form of a blind impulse produced by passion.
philein is a love that has its basis in pleasurableness, and is the glow of the heart kindled the perception of that in the object loved which affords one pleasure.
agapan
is a love
that has its basis in preciousness, a love called out of one's heart by
an awakened sense of value in the object loved that causes one to prize
it.