=1

妳

nǐ

you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)

=1

妳

nǎi

variant of 奶 nǎi

2

不

bù

no; not so (bound form) not; un-

3

認為

rènwéi

to believe; to think; to consider; to feel

=4

嗎

má

(coll.) what?

=4

嗎

mǎ

used in 吗啡 mǎfēi

=4

嗎

ma

(question particle for "yes-no" questions)