Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English hashtag
English hash (affix)
English tag (affix)

English bashtag (blend)
English hashtivism (blend)
English blacktag (blend)
English slashtag (mention)
English hashflag (blend)
English hashtagger (suffix)
English cashtag (blend)
Hijazi Arabic هاشتاق (borrowed)
Afrikaans hutsmerk (calque)
Danish hashtag (borrowed)
German Hashtag (borrowed)
Spanish hashtag (borrowed)
Persian هشتگ (borrowed)
Finnish hästäkki (borrowed)
French hashtag (borrowed)
French mot-dièse (calque)
Hungarian hashtag (derived)
Armenian հեշթեգ (mention)
Japanese ハッシュタグ (borrowed)
Polish hashtag (borrowed)
Portuguese hashtag (borrowed)
Russian хештег (borrowed)
Thai แฮชแท็ก (borrowed)