a synonym for similar is alike.
The synonym of designated is specific
the synonym for wedge is xhahdghasdgah
The synonym of optimize is perfect.
Level is a palindrome that is a synonym for horizontal
A synonym for corsage might be boutonniere.
It's not an exact synonym, but "Embassy" might be an appropraite answer
a synonym for similar is alike.
'Educational' might do.
Although there is no precise synonym for geometric, in some cases you might use Euclidean.
Ignition might work.
Rhododendrons might have the synonym "heaths" (the general family) or specifically "azaleas" (two subgenera of rhododendrons).
To lose could have the synonym "defeated." Or someone who lost out might be "disappointed" or "dejected."
synonym
I think it might be like a flintlock that is one.
Might, could
If you are contrite, you are sorry for whatever you have done. Sorry is one synonym. You might also hear someone say they feel remorse, or they are remorseful. Another term you might use would be apologetic. Repentant is another good synonym.