The landlord was fined after renting out apartments with sub-standard heating in winter.

The geologists studied the sub-surface water flow to predict landslide risks.

The retiring sub-deacon received a warm round of applause from the congregation after forty years of service.

The bank tightened lending standards after losses on sub-prime mortgages.

Linguists often list sub-province as an alternative spelling found in older maps.

The sub-provincial university was permitted to establish its own admissions standards, reflecting its semi-autonomous status within the province.

The engineer detected a sub-audible tone interfering with the radio signal.

The team's sub-par performance cost them the championship.

The reporter referred to the sub-paragraph that clarified the liability terms.

Please see sub-para (3) for the conditions under which the seller's warranty may be voided.