"mantener sometido" in English

to retain in an appendix- to bankroll- to carry on- to cherish- to conduct- to hold- to hold- to hold- to preserve- to provide for- to stand by- to stick by- to stick to- hold the line- to have- to keep- to maintain- to keep up- to support- to sustain- to uphold

subject- subdued- undergone

to subject- to submit- to put down- to subjugate- to bring under- to subdue