obduracy, , 
obdurate, , 
obedience, , 
obedient, , your obedient servant   
obedientiary
obeisance,  , 
obeli obelus
obelisk,  -         ,  
obelize 
obelus= obelisk
obese,  
obesity, 
obey, , 
obfuscate,   ,  
obi
obiter , , obiter dictum  
obituarist 
obituary,  , 
objectI. , , , , to fail in one's object   , , ,    , ,  , what an object you look in that hat!         !, no object   , money no object   , distance no object     II. , , I object to smoking    ,  ,  
object-finder
object-glass
object-lesson    ,  
objectify,    
objection, , to take objection 
objectionable , , 
objective, , 
objectivism  , ,    
objectivity
objectless, 
objector, ,  
objurgate, 
objurgation, 
objurgatory
oblate , 
oblation, ,      
oblational
oblatory= oblational
obligate
obligation, to repay an obligation   , to undertake obligations  
obligatory, 
oblige,  , 
obligee,      , 
obliging oblige, , 
obligingly, , 
obligor,    
oblique, , oblique fire  
obliquity ,    , 
obliterate, , 
obliteration, , 
oblivion, to fall into oblivion   ,  
oblivious, , 
oblong, ,  
obloquy, , 
obnoxious, , 
oboe
oboist
obscene, , 
obscenity,  
obscurant, 
obscurantism, 
obscurantist= obscurant, 
obscuration, 
obscure, , 
obscurity, , 
obsecration, , 
obsequial, 
obsequies, 
obsequious, , to be obsequious to smb. 
obsequiousness, , 
observable, ,  
observance, , 
observant, , 
observation, to keep under observation   , he was sent to hospital for observation       
observational
observatory,  
observe, , 
observed observe,  , the observed of all observers   
observer, , an observer of his promises 
obsess, , 
obsession,  , 
obsidian,  
obsolescense
obsolescent  , , 
obsolete  , , 
obstacle, , to throw obstacles in smb.'s way   -.
obstacle-race    
obstetric, 
obstetrical, 
obstetrician, 
obstetrics
obstinacy, , 
obstinate, , 
obstipation 
obstreperous, , 
obstruct, , 
obstruction   , , 
obstructionism
obstructionist
obstructive {. obstruct}, , = obstructionist
obtain, , 
obtainable, 
obtest  , , 
obtestation, , 
obtrude, , ()
obtruncate,  
obtrusion
obtrusive, , 
obturate, , 
obturation , 
obturator, ,    
obtuse, obtuse angle  , 
obverse , ,    
obviate, , 
obvious, , 
