securus

adhaero – adhere, cleave, keep close to, secure, stick to, to hang to, to stick
armarium – chest, cupboard, safe
defigo – concentrate, fasten down, fix firmly, fix upon, secure, to fasten
firmo – affirm, encourage, maintain, make firm, secure, strengthen, to assert, to make lasting
impunitus – safe, unpunished, unrestrained
incolumis – safe, scatheless, unharmed, uninjured
salvus – safe, sound, unhurt
solidus – safe, whole
tutis – protected, safe, secure
tutus – expedient, safe, salutary, serviceable, wholesome

securis – axe, battle, hatchet
secuutus – follower, pursuer
severus – harsh, stern
secedo – to go apart, to withdraw, withdraw
secerno – to separate
secessus – solitary retreat
secludo – to shut out
seco – amputate, divide, hurt, part, to cut, to fly or cut through, to settle, wound
secretarius – privy counsellor
secretum – private, retired, secret, secret conversation, solitary, to separate

se·cu·rus[1]