Correct

凸起

/ tū qǐ / 
Strokes

Definition

convex/protruding/to protrude/to bulge/to buckle upwards

Example

As a Verb

bulge; swell

1
Dèng
瞪
zhāo
着
tūqǐ
凸起
de
的
yǎnzhū
眼珠

stare with bulging eyes

As a Noun

bump; hump; swelling

2
Nǎodài
脑袋
shàng
上
yǒu
有
yī
一
kuài
块
tūqǐ
凸起

have a bump on one's head