fortress /förˈtrəs or fōrˈ/

1. A fortified place
2. A defence

To guard

• surprisal
• surprisals
• surprise
• surprised
• surprisedly
• surpriser
• surprisers
• surprises
• surprise, surprise
• surprising
• subreferences
• subregion
• subregional
• subregions
• subreption
• subreptions
• subreptitious
• subreptive
• subring
• subrings
• subrogate
• subrogated
• subrogates
• subrogating
• subrogation