Some seven letter synonyms for the verb 'to help' are:
Assist
Assistance.
assists
SUPPORT
Help.
The meaning of the English phrase "to give a hand" to help someone. A variation of this phrase is "to give a helping hand"; this means to assist someone in working towards a common goal.
aide
help.
S.O.S is an abbreviation and it means help. Aid
aid
This is a colloquialism. To give a hand or lend a hand means to help or assist.
Write him/her a letter. Not an e-mail an actual letter and give it to them.
unaided
plan
it means 'help me!'
To give someone a hand means to help them with some task they are doing.