to tell someone that you are sorry for having done something that has caused problems or unhappiness for them
apologise
to share information with others by speaking, writing, moving your body, or using other signals
communicate
very noticeable or attracting attention, often in a way that is not wanted
conspicuous
letters, especially official or business letters
correspondence
to discover the meaning of information given in a secret or complicated way
decode
to make something known publicly, or to show something that was hidden
disclose
a way of doing an activity that needs skill
technique
to listen to someone's private conversation without them knowing
eavesdrop
go somewhere that cannot be seen or found
disappear
a government organization/ a business that represents one group of people when dealing with another group
agency
a belief or idea that something may be true
suspicion
(an expression of) understanding and care for someone else's suffering
sympathy
