Formula
secret, puzzle
secret meeting
The 189,819 letter word is the chemical name for the large protein "titin".*The name will not properly display here, and it is too long for the discussion page. You can see it at the related link.(see related links and questions)
spy
the six letter word with e as second letter and 5th is... SECRET jestermeltedbeltedtendertendedmendeddealerheaderLentensedges
amour?
HATCH
secret writing= code
Spy.
elope
Acetylcholinesterase is a 20 letter word. It is a chemical compound.
energy