Japan
139388
Russia
43555
Tokyo (current capital of Japan)
134602
metropolitan area
133779
vice-minister / undersecretary
93001
class, grade, rank / school class, grade
67114
conference / consultation / discussion / negotiation
68389
Asia (esp. "the Far East")
7398
Pacific Ocean
121712
area / region
126199
dew
168085
safety
45245
guarantee / security / assurance / pledge / warranty
153512
cooperation / collaboration
68427
expansion
59047
important / momentous / essential / principal / major
99537
recognition / cognizance / cognisance
140218
coincidence / agreement / union / match
47851
leaf
163533
Foreign Minister
58628
president / chief executive
123989
close associate / close aide / brains-truster
120295
cabinet ministers
59508
class, grade, rank / school class, grade
67114
commonwealth / federation of states
167950
safety
45245
guarantee / security / assurance / pledge / warranty
153512
meeting / conference / session / assembly / council / convention / congress
56822
clerk / secretary
101381
metropolitan area
133779
conversation / conference / discussion / interview
56897
concrete / tangible / material
71203
plan / policy
87486
dew
168085
vice-minister / undersecretary
93001
class, grade, rank / school class, grade
67114
conference / consultation / discussion / negotiation
68389
US-Japan Security Treaty / safety / security
45338
cooperation / collaboration
68427
coincidence / agreement / union / match
47851
dominion / territory / possession
166447
continuation
73152