long-, longi-

(Latin: long)

elongate
elongation
long (adjective); longer, longest
1. Extending a relatively great distance: "We went the long way home."
2. Of a relatively great duration: "She was gone a long time."
long (verb); longing, longs, longed
To have an earnest, heartfelt desire, especially for something beyond one's reach.
longeval
Long lived or living a long time.
longevity
1. A long duration of life.
2. Etymology: from Late Latin longaevitas, "great age, long life", from Latin longaevus, "of great age", which is compounded of longus, "long", and aevum, "age".
longicaudal, longicaudate
Longtailed.
longicaudate
longicauline
Long-stemmed.
longicollous
In botany, applied to mosses that have urns in the form of a very elongated pear.
longicone
Having a long cone, said of certain cephalopods.
longicorn
Having long antennae (literally, "long horned").
longilateral
Long-sided, of the form of a long parallelogram.
longilingual
Having a long tongue.
longiloquence
Speaking at great length.