Usage of the character 抑

to restrain
to restrict
to keep down
or

yuānyì

冤抑

[冤抑]

to suffer injustice

píngyì

平抑

[平抑]

to stabilize
to keep (prices, vermin etc) under control

zìyì

自抑

[自抑]

to control oneself

yìhuò

抑或

[抑或]

or
could it be that...?

zǔyì

阻抑

[阻抑]

to impede
to check
to inhibit
to neutralize

yìqiě

抑且

[抑且]

(literary) moreover
in addition

yìzhǐ

抑止

[抑止]

to supress
to restrain

yìsù

抑素

[抑素]

chalone (protein inhibiting cell proliferation)

biǎnyì

贬抑

[貶抑]

to belittle
to disparage
to demean

èyì

遏抑

[遏抑]

to suppress
to restrain

yìsè

抑塞

[抑塞]

to repress
gloomy

yìzhì

抑制

[抑制]

to inhibit
to keep down
to suppress

yìyù

抑郁

[抑鬱]

depressed; despondent; gloomy

yìyáng

抑扬

[抑揚]

modulation (rising and falling pitch)
intonation
a cadence
to rise and fall (of a body floating in water)

yāyì

压抑

[壓抑]

to constrain or repress emotions
oppressive
stifling
depressing
repression

yángyìgé

扬抑格

[揚抑格]

trochaic

yìzhìjì

抑制剂

[抑制劑]

suppressant
inhibitor

yìzhìméi

抑制酶

[抑制酶]

inhibiting enzyme

yìyùzhèng

抑郁症

[抑鬱症]

clinical depression

yìyánggé

抑扬格

[抑揚格]

iambic

yìyángdùncuò

抑扬顿挫

[抑揚頓挫]

see 頓挫抑揚／顿挫抑扬 (dùncuòyìyáng)

kàngyìyùyào

抗抑郁药

[抗抑鬱藥]

antidepressant

yìyùbùpíng

抑郁不平

[抑鬱不平]

in a state of depression (idiom)

nánxìngbiǎnyì

男性贬抑

[男性貶抑]

misandry

dùncuòyìyáng

顿挫抑扬

[頓挫抑揚]

cadence
modulation

xiàobùkěyì

笑不可抑

[笑不可抑]

to laugh irrepressibly

fúruòyìqiáng

扶弱抑强

[扶弱抑強]

to support the weak and restrain the strong (idiom); robbing the rich to help the poor

yìzhìzuòyòng

抑制作用

[抑制作用]

inhibition

nüxìngbiǎnyì

女性贬抑

[女性貶抑]

misogyny

gòngmóyìzhìbǐ

共模抑制比

[共模抑制比]

(electronics) common-mode rejection ratio (CMRR)

zàokuángyìyùzhèng

躁狂抑郁症

[躁狂抑鬱症]

manic depression