subintroduce /sub-in-trō-dūsˈ/

To bring in surreptitiously or subtly

• strappiest
• strapping
• strappings
• strappy
• straps
• strap-shaped
• strap work
• strap works
• strapwort
• strapworts
• strass
• strasses
• strata
• stratagem
• stratagems
• stratal
• strategetic
• strategetical
• strategic
• strategical
• strategically
• Strategic Defence Initiative
• strategic materials
• strategic metals
• strategic position