All words were found at http://www.savergen.com/onldict/jap.html and the Random House Japanese-English Dictionary

Senzai -Japanese for garden; name of capital city in Saiyajin province
Hazumi (Early spring), name of Saiyajin province.
Fuyu (Winter), name of Northern province.
Seidou (sanctuary), name of the monastery Vegeta is found in.
Hiyayaka (cold), name of the enemy race.
Amateras Japanese Goddess of the Sun, most powerful and beautiful of all heaven
Ho- The Japanese male phoenix
Kyujutsu - the art of Japanese archery, literally meaning the art of killing with a bow.
Shinsei - (Holy) the mountain, on which Seidou is located.
Yagai - (Outskirts) name for the outer most village or settlement of Hazumi
Ijou - (change) name of the town where the ninja attacked.
Shinpi-teki - (mysterious/supernatural) the forest around Juukou's home
Hora - (den) the location of Kamen's lair
Yami - (darkness) the name of Kamen's clan
Tenshu-kaku - the inner keep of a feudal Japanese castle
Sachi - a mythical dolphin like creature placed along the roof of the tenshu-kaku, used as a charm against evil.
Sohei - warrior monks

Vegeta (Prince) - Buhogechi (combination of words, Bu comes from buyuu (bravery), ho, and gechi (command)
Vegeta (monk) - Jitsu (kindness)

King Vegeta - Bahoriki (Bannou (almight), ho, riki (strength)
Kakarott, or Goku - Kouketsu (purity)
Bardock - Bayoken (Bannou: almighty, yoken: foresight)
Chichi - Ichirui (companion)
Piccolo - Juukou (composure and dignity)
Baba - Bikan (beautiful sight)
Grandfather Son Gohan - Gaman (patience)
Master Roshi - Rookoo (skilled and experienced)
Kami - Kagayaku (brilliance)
Mr. Satan - Sawagu (to make a fuss)
Yamcha -Yonare (yonareta: worldly and wise)
Krillin – Kikoku (Kichi:wit, yokoku: ally)
Tien – Tegatai (steady and reliable)
Chaotsu – Chiitsu (Chiisai (small) + tsuyomi(strong point))
Launch – Sashii (yasashii (gentle))
16 – Seigon (seijitsu: loyal, mugon: silence)
17 – Nukeme (nukemenai: smart, cunning)
18 - Hagekori (hageshii: fierce, hokoritakai: proud)

Nappa - Hanappari (overconfident)
Cawliefe - Kaunsera (counsel)
Noion - Odoodo (hesitantly)
Lettunce - Kaisen (battle)

Zarbon - Kamen (betrayal)
Dodoria - Sadisuto (sadist)
Kuwi - Kirimi (fish)

The Emperor - Senpaku (shallow)
King Cold - Ko Ori (Ice)
Freeza - Heru-oni (Heru: Hell, Oni: demon)
Assistant - Sutairasu (stylus)

Ginyu - Miruku (milk)
Jeice - Kanraku (cheese)
Baata - Bata (butter)
Guido - Yo-Guruto (yoghurt)
Ricoome - Aisukuri (ice cream)