Correct

可能 vs 也许

/ kěnéng vs yěxǔ /
Strokes

Definition

可能 as an Auxiliary Verb or Noun, 也许 as an Adverb, which means [may; possibility; perhaps].

Example

The noun 可能 means "the state or fact of being possible, which has nothing in common with 也许".
1
yǒu
néng
可能
jìn
进入
zhèngjiè
政界
  

If'spossible for him to go into the political life.

2
Xiǎng
ge
yuè
jiù
chéngwéi
成为
zuòjiā
作家
  
,
shì
méiyǒu
没有
néng
可能
de
  

It is impossible to be a writer in a few months.

3
Zài
běijīng
北京
jiù
就业
  
,
shì
zhǒng
néng
可能
  
;
lìng
zhǒng
néng
可能
jiùshì
就是
dào
wài
外地
gōngzuò
工作
  

Taking up an occupation in Beijing is one possibility;another choice is to obtain employment in other places.

The Auxiliary Verb 可能 means probably, which is very similar to 也许.
In examples, ① ② ③ 也许 can be used instead. 可能 is more probable than 也许, but 可能 can be modified by 不, 很, etc; while 也许 cannot.
4
Lǎowáng
老王
néng
可能
  
(
也许
  
)
zhù
zài
chéngwài
城外
  

Maybe Lao Wang does not live in the city.

5
Tiānyīn
天阴
chénchén
沉沉
de
  
,
néng
可能
  
(
也许
  
)
yào
xiàxuě
下雪
  

It is overcast and it seems to snow.

6
néng
可能
  
(
也许
  
)
de
记得
zhè
jiàn
shì
le
  

Maybe you forget it.

7
néng
可能
zhù
zài
chéngwài
城外
  

He can't live in the suburb.

8
Xuéxiào
学校
hěn
néng
可能
huì
gěi
发给
jiǎngxuéjīn
奖学金
  

The school is likely to offer him the scholarship.

The Auxiliary Verb 可能 means "within the widest scope"; 也许 cannot be so used.
9
men
我们
yào
tuánjié
团结
qiè
一切
néng
可能
tuánjié
团结
de
liang
力量
  

We should unit with all the forces that can be united with.

10
Zài
shànghǎi
上海
  
,
néng
可能
de
fāng
地方
dōu
wán
le
  

He has been to every tourist spot that is reachable.

11
qiú
  
,
néng
可能
shuō
de
yóu
理由
quán
shuō
le
  
,
dànshì
但是
réngrán
仍然
tóng
同意
  

When I went to ask for him,I used up my words, but he still disproved it.

能 is also an Adjective, that means "possible".
12
Zài
néng
可能
de
fànwéi
范围
nèi

within certain scope

13
Zài
néng
可能
de
tiáojiàn
条件
xià

under certain possible conditions

14
Wéi
惟一
néng
可能
de
xuǎn
选择

the only possible choice

The Adverb 也许 means "not very sure", which is the same as 可能; while 也许 can be used together with 能, while 可能 cannot.
15
也许
néng
ànshí
按时
dào
到达
  

He maybe arrived on time.

16
Jīntiān
今天
也许
néng
xià
下雨
  

It is possible to rain today.