7 uncommon English words and beekeeper.

ouabaio – a poison producing african tree

epopee – an epic poem

autoecious – a boring fungus

frillless – having no frills

effervescence – the process of bubbling

knickknack – miscellaneous item

pneumonoultramicroscopicsilicovolcanoconiosis – long word

beekeeper

Beekeeper and effervescence both contain the letter “e” 5 times. ethylenediaminetetraacetate is a chemical compound spelt with lots of e’s