mont-, mount-
(Latin: mountain, hill)
mountain
1. Abbreviated as, Mt. or Mtn.; a natural elevation of the earth's surface having considerable mass, generally steep sides, and a height greater than that of a hill.
2. A natural elevation of the earth's surface rising more or less abruptly to a summit, and attaining an altitude greater than that of a hill, usually greater than 2000 ft. (610 m).
3. A large heap: a mountain of laundry; a huge quantity: a mountain of trouble.
mountaineer
1. Someone who climbs mountains for sport.
2. A mountain inhabitant or someone who lives in a mountainous area.
mountainous
1. Abounding in mountains; such as, "a mountainous wilderness".
2. Of the nature of a mountain.
3. Resembling a mountain or mountains, as being very large and high: "The storm caused mountainous waves that destroyed the beach area."
mountainously
1. Containing many mountains.
2. Resembling a mountain; huge.
mountebank
Non est magnus pumilio, licet in monte constiterit; colossus magnitudinem suam servabit, etiam si steterit in puteo.
A dwarf is not tall, even though he stand on a mountain; a colossus keeps his height, even though he stand in a well.
From Seneca, Ad Lucilium Epis (c. A.D. 65).
paramount
paramountly
piedmont
promontory
remount
rodomontade
surmount
1. To overcome, an obstacle, for example; to conquer or to deal with a difficulty successfully.
2. To ascend to the top of; to climb; to get over the top of a physical obstacle.
3. To place something above; to put on top; that is, to be above or on top of.
4. To surpass or to exceed in an amount.
surmountable
1. Capable of being surmounted or overcome.
2. Being able to surpass in quality or attainment.
tantamount
1. Equivalent, as in value, force, effect, or signification: "His angry speech was tantamount to his resignation as CEO of the company."
2. If something is tantamount to something else, it is the same or equal to it: "The man's silence was tantamount to an admission that he stole the purse."
3. Equivalent to a particular thing in effect, outcome, or value, especially something unpleasant: "She responded with an answer that was tantamount to a refusal."
4. Etymology: From about 1641, from the verbal phrase tant amount, "be equivalent" (1628), from Anglo-French tant amunter, "amount to as much" (1292), from Old French tant, "as much" (from Latin tantus, from tam, "so") plus amonter, "amount to, go up" ("to the mountain", from Latin ad-, "to" + montem, "mountain").
More "mountain" words at this oro-, oreo- unit.