I.
noun
ADJECTIVE
▪ little
▪
There was no money left over for luxuries or little ~s.
▪ optional ( BrE )
▪ hidden ( esp. BrE )
▪
£400 is a lot to pay, but there are no hidden ~s.
▪ added
▪
Regular guests also get added ~s like free room service.
▪ DVD
▪
The DVD ~s include trailers and a behind-the-scenes feature.
VERB + EXTRA
▪ have , include
▪
The DVD has a couple of interesting ~s.
▪
No ~s are included.
EXTRA + VERB
▪ include sth
▪
Optional ~s include anti-lock brakes and an electric sunroof.
II.
adj.
Extra is used with these nouns: ↑ attention , ↑ bonus , ↑ boost , ↑ bulk , ↑ burden , ↑ calorie , ↑ care , ↑ cash , ↑ caution , ↑ charge , ↑ confidence , ↑ convenience , ↑ copy , ↑ cost , ↑ credit , ↑ demand , ↑ dimension , ↑ distance , ↑ edge , ↑ effort , ↑ emphasis , ↑ encouragement , ↑ expenditure , ↑ expense , ↑ facility , ↑ fat , ↑ feature , ↑ fee , ↑ finance , ↑ flavour , ↑ flexibility , ↑ fund , ↑ funding , ↑ help , ↑ helping , ↑ impetus , ↑ incentive , ↑ income , ↑ information , ↑ ingredient , ↑ investment , ↑ layer , ↑ leverage , ↑ material , ↑ money , ↑ motivation , ↑ precaution , ↑ premium , ↑ profit , ↑ protection , ↑ push , ↑ ration , ↑ refinement , ↑ resource , ↑ revenue , ↑ risk , ↑ room , ↑ safeguard , ↑ safety , ↑ sparkle , ↑ spice , ↑ step , ↑ storage , ↑ strength , ↑ supplement , ↑ support , ↑ thanks , ↑ troops , ↑ tuition , ↑ twist , ↑ vigilance , ↑ weight , ↑ work , ↑ workload