The difference between Lu and Route

When used as nouns, lu means (card game), whereas route means a course or way which is traveled or passed.

When used as verbs, lu means (beat at card game), whereas route means to direct or divert along a particular course.

check bellow for the other definitions of Lu and Route

Lu as a noun (historical):

or circuit: an administrative division of imperial China.

Route as a noun:

A course or way which is traveled or passed.

Examples:

"The route was used so much that it formed a rut."

"You need to find a route that you can take between these two obstacles."
Route as a noun:

A regular itinerary of stops, or the path followed between these stops, such as for delivery or passenger transportation.

Examples:

"We live near the bus route."

"Here is a map of our delivery routes."
Route as a noun:

A road or path; often specifically a highway.

Examples:

"Follow Route 49 out of town."
Route as a noun (figuratively):

One of multiple methods or approaches to doing something.
Route as a noun (historical):

One of the major provinces of imperial China from the Later Jin to the Song, corresponding to the Tang and early Yuan circuits.
Route as a noun:

(Computing) A specific entry in a router that tells the router how to transmit the data it receives.

Route as a verb (transitive):

To direct or divert along a particular course.

Examples:

"All incoming mail was routed through a single office."
Route as a verb (Internet):

to connect two local area networks, thereby forming an internet.
Route as a verb (computing, transitive):

To send (information) through a router.