Correct

恐怕 vs 也许

/ kǒngpà vs yěxǔ /
Strokes

Formula

1
也许……也许……

Definition

恐怕 and 也许 both are Adverbs, which means [probably; perhaps].

Example

恐怕 and 也许 are interchangeable to mean "conjecture".
1
kāi
离开
zhè
这里
hòu
以后
  
,
kǒng
恐怕
  
(
也许
  
)
huì
不会
zài
lái
le
  

He probably didn't return after he left here.

2
Xiě
zhème
这么
ge
  
,
kǒng
恐怕
  
(
也许
  
)
lián
liǎng
fēnzhōng
分钟
dōu
yòng
bu
liǎo
  

I think it will take less than two minutes to write such few words.

3
kǒng
恐怕
  
(
也许
  
)
míngtiān
明天
cái
néng
lái
  

He perhaps will come here tomorrow.

恐怕 is usually used if there is anxiety besides estimation.
4
Tiān
kǒng
恐怕
yào
xià
下雨
  

I'm afraid it's going to rain.

5
Yòng
zhèxiē
这些
qián
mǎi
jiā
家具
  
,
kǒng
恐怕
dìng
一定
gòu
  

I'm afraid the money is not enough for furniture.

6
de
bìng
kǒng
恐怕
hěn
nán
zhì
hǎo
  

I'm afraid it's not easy to cure him.

也许 is used if the estimation is not very definite.
7
也许
mèimei
妹妹
lái
  
,
lái
  

His sister may come,but he may not.

8
Xiànzài
现在
chū
出发
也许
néng
gǎnshàng
赶上
huǒchē
火车
  

If we start now,maybe we can catch the train.

9
也许
zánmen
咱们
háiyǒu
还有
huì
机会
zài
jiànmiàn
见面
  

We maybe have a chance to meet again.

也许 is used to show a tactful affirmation.
10
也许
zhèxiē
这些
cáiliào
材料
duì
xiě
lùnwén
论文
yǒu
bāngzhù
帮助
  

These materials may be useful for your paper.

11
Zhèyàng
这样
chǔ
处理
  
,
也许
jiā
大家
jiàn
意见
shǎo
xiē
  

Such a resolution can lessen the dissatisfaction.

12
gēn
shú
  
,
shuō
也许
gēng
hǎoxiē
好些
  

Since you are familiar to him it may be better if you tell him.

也许 can be used independently, while 恐怕 cannot.
13
jīntiān
今天
huílai
回来
le
  
?
也许
  
men
你们
yào
不要
děng
  

Are you not going to come back today? Maybe. So please don't wait for me.

也许 can be repeated, while 恐怕 cannot.
也许……也许……
14
也许
jīntiān
今天
也许
míngtiān
明天
  
,
huì
diànhuà
打电话
gěi
de
  

I will call him either today or tomorrow.

15
也许
yīnwèi
因为
tiān
天气
hǎo
不好
  
,
也许
yīnwèi
因为
shíjiān
时间
tàijǐn
太紧
  
,
fǎnzhèng
反正
juédìng
决定
xíng
旅行
le
  

He said he wouldn't go on a tour because of either bad weather or urgent time.