Tendency (noun) رجحان، جھکاﺅ، رغبت

an inclination towards a particular characteristic or type of behaviour.
Example: “for students, there is a tendency to socialize in the evenings”
Cohesion (noun) ربط، اتحاد، ملاپ، ہم آہنگی

the action or fact of forming a united whole.
Example: “the work at present lacks cohesion”