陸上 (りくじょう)(on) land; ground; shore

(on) land; ground; shorenoun (common) (futsuumeishi), nouns which may take the genitive case particle 'no'
track-and-field eventsnoun (common) (futsuumeishi)

陸上, its kanji, and other words that share them.Open this graph

Kanji in 陸上

大陸たいりくcontinent
陸りくland; shore
陸軍りくぐんarmy
上陸じょうりくlanding; disembarkation
北陸ほくりくHokuriku region of Honshu (incl. Niigata, Toyama, Ishikawa and Fukui prefectures)
着陸ちゃくりくlanding; alighting
陸上競技りくじょうきょうぎtrack-and-field events
陸上自衛隊りくじょうじえいたいJapan Ground Self-Defense Force; JGSDF
上がったりあがったりdoomed (business, trade, etc.); in a bad state
上昇じょうしょうrising; ascending
事実上じじつじょうas a matter of fact; actually
史上しじょうin history; ever
上位じょういsuperior (in rank); top
上院じょういんupper house; upper legislative chamber
値上げねあげprice hike; mark-up
向上こうじょうelevation; rise

See how 陸上 connects to the rest of Japanese.