Collocations for allegiance - noun

full, strong
We will give our full allegiance to the party.

traditional
shifting
It is hard to keep up with the shifting allegiances between the various political parties.

national, political, religious
blind
Love of one's country does not mean blind allegiance to a regime.

true
He keeps everyone guessing about his true allegiance.

primary
class, party

give, owe
He owed his allegiance to the organization that had given him all his opportunities.

declare, pledge, profess (esp. BrE), swear
The rebels now have to swear allegiance to a leader they hate.

show
feel
abandon
Many people have abandoned their traditional party allegiances.

change, shift, switch, transfer
claim
The various splinter groups all claim allegiance to the true spirit of the movement.

claim, command
Catholicism claims allegiance from more than 80% of the population.

retain
The union needs to retain the allegiance of all its members for the strike to succeed.

allegiance to
He is now very rich but his allegiance to his working-class origins is still strong.

an oath of allegiance, a pledge of allegiance
New officers take an oath of allegiance to their country.
Every day the children say the Pledge of Allegiance. (in the US)