The combined character héng xié gōu differs from xié gōu only in that it begins with a horizontal héng stroke.

Here's a simple character that includes the héng xié gōu character:

Notice here that the piě and diǎn strokes are technically considered separate, although you can (and probably will) draw this character without picking up your pen between them.

Here's another common character:

Here's a common character that appears in a lot of frequently-used words in Chinese:

This is a relatively rare example of a Chinese word that, in its meaning as "vital energy," has been officially adopted into English using its pinyin, to the great exultation of Scrabble players everywhere!