海德

海盗 hǎidào HSK 7-9 #2,521

pirate / sea pirate

海底 hǎidǐ HSK 6 #6,156

seabed; ocean floor; bottom of the sea

海洛因 hǎiluòyīn #4,870

heroin

海伦 hǎilún #4,848

Helen (name) / Heron (as in Heron's formula)

海边 hǎibiān HSK 2 #4,467

seaside / beach

海洋 hǎiyáng HSK 6 #4,338

ocean; sea / the oceans (collectively)

海岸 hǎiàn HSK 7-9 #3,057

coast / seashore / shoreline

海上 hǎishàng #5,650

at sea / on the sea / maritime

海军 hǎijūn HSK 6 #2,345

navy; naval forces

海滩 hǎitān HSK 7-9 #2,227

beach / seashore