亜炭[atan] lignite
一酸化炭素[issankatanso] carbon monoxide
活性炭[kasseitan] activated charcoal
褐炭[kattan] brown coal
含水炭素[gansuitanso] carbohydrate

黒炭[kokutan] bituminous coal
採炭[saitan] coal mining
載炭[saitan] coaling
重炭酸曹達[juutansansouda] sodium bicarbonate
出炭[shuttan] coal production

双峰駱駝[souhourakuda] two-humped camel
単峰駱駝[tanpourakuda] Arabian camel
駱駝[rakuda] camel
駝鳥[dachou] ostrich (Struthio camelus)
一瘤駱駝[hitokoburakuda] dromedary

駱駝色[rakudairo] camel color
二瘤駱駝[futakoburakuda] Bactrian camel (Camelus bactrianus)
駱駝虫[rakudamushi] inocelliid snakefly (any insect of family Inocelliidae)
アメリカ駝鳥[amerikadachou] rhea (Pterocnemia pennata)
鷸駝鳥[shigidachou] tinamou (any bird of family Tinamidae)

双峰駱駝[souhourakuda] two-humped camel
単峰駱駝[tanpourakuda] Arabian camel
駱駝[rakuda] camel
一瘤駱駝[hitokoburakuda] dromedary
駱駝色[rakudairo] camel color

二瘤駱駝[futakoburakuda] Bactrian camel (Camelus bactrianus)
駱駝虫[rakudamushi] inocelliid snakefly (any insect of family Inocelliidae)
駱駅[rakueki] constant stream of traffic
駱駝炭[rakudazumi] charcoal burned in an earthen kiln