The word you are looking for is "conspire". It means to plan something secretly with others.
Peep.
secretly talk
If by secretly you meant cautiously then walking stealthily or tip toeing .
Plotted, conspired.
eavesdropping
infiltrate
The word could be: plot; connive; scheme.
The word you are looking for is "scheme." It is used to describe planning or plotting something devious or underhanded.
The word is "plot" "Plot" can also mean a conspiracy.
There is no such word. The word secrete is a verb (to release fluid) and secret means hidden or private. The word secretly is an adverb (in a secret or covert manner).
it is an adjective that means done secretly; During my clandestine visits
The word "plot" only has one syllable so it can't be divided into syllables. This means the entire word is the syllable.