nature (of a person)
111293
identity / sameness / similarity / equality / fairness
135953
nature (of a person)
111293
obstacle / impediment / hindrance / difficulty / barrier
104083
distinction by sex / sex / gender
111389
change / modification / alteration / revision / amendment
152839
man / male
125925
adopted child (usu. male) / son-in-law
163784
with the exception of / excepting
45604
method / process / manner / way / means / technique
154527
child / children
90250
third person / outsider / disinterested person
124362
sperm
112866
offer / tender / program sponsoring / programme sponsoring / furnishing
131230
wife
86453
ovum / ovule / egg cell
164462
artificial / manmade / human work / human skill / artificiality
108939
fertilization / fertilisation / impregnation / pollination
97837
fault / error / mistake
145564
combination
141969
person (rarely used w.o. a qualifier)
95314
space / room / time / pause
62478
artificial / manmade / human work / human skill / artificiality
108939
fertilization / fertilisation / impregnation / pollination
97837
Japan
139388
obstetrics
89004
woman / lady / adult female
148510
department / section
55223
scientific society / academic meeting / academic conference
59600
Heisei era (1989.1.8- )
152030
conception / pregnancy
140153
possible / practicable / feasible
54792
nature (of a person)
111293
married couple / spouses / husband and wife / couple / pair
148472
or / otherwise
156691
with the exception of / excepting
45604
method / process / manner / way / means / technique
154527
distinction by sex / sex / gender
111389
change / modification / alteration / revision / amendment
152839
husband
148453
father
148942
nature (of a person)
111293
identity / sameness / similarity / equality / fairness
135953
nature (of a person)
111293
obstacle / impediment / hindrance / difficulty / barrier
104083
married couple / spouses / husband and wife / couple / pair
148472
child / children
90250
legality
154664
position / status
126193
instability / insecurity / crankiness
147502