Labour-intensive and Laborious

Labour-intensive adjective - Requiring a large expenditure of labor but not much capital.

Laborious and labour-intensive are semantically related. In some cases you can use "Laborious" instead an adjective phrase "Labour-intensive".

Laborious adjective - Involved in often constant activity.

Labour-intensive and laborious are semantically related. You can use "Labour-intensive" instead an adjective "Laborious".