Denshi Jisho — Online Japanese dictionary

もぐさ 1: moxa;
2: Japanese mugwort
Noun 
よもぎ 1: Japanese mugwort (Artemisia princeps, Artemisia indica var. maximowiczii);
2: general term for plants in the Artemisia genus; mugwort; sagebrush; wormwood
Noun 
藻草 もぐさ water-plants; seaweed; algae
Noun 

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