Shipbuildings rhymes with:
building's, buildings, holding's, holdings, holdings', landholdings, moldings, mouldings, shareholdings, stockholdings
Shipbuildings sounds like:
scaffolding, shipbuilding, shipholding, spalding, spaulding, splitting
building's, buildings, holding's, holdings, holdings', landholdings, moldings, mouldings, shareholdings, stockholdings
scaffolding, shipbuilding, shipholding, spalding, spaulding, splitting