Synonyms of the word

infra

• adv. (law) Used to refer to something discussed later.
• n. (civil engineering, informal) Infrastructure.

below

• prep. Lower in spatial position than.
• prep. Lower in value, price, rank or concentration than.
• prep. Downstream of.
• prep. South of.
• prep. Unsuitable to the rank or dignity of; beneath.
• prep. (stage directions) Downstage of.
• adv. In a lower place.
• adv. On a lower storey.
• adv. Further down.
• adv. (nautical) On a lower deck.
• adv. (of a temperature) Below zero.