Please look at the Scriptures. The word Hades is translated the grave. Here are a few passages where Hades is translated the grave.
KJV
Genesis 37:35 And all his sons and all his daughters rose up to comfort him; but he refused to be comforted; and he said, For I will go down into the grave unto my son mourning. Thus his father wept for him.
KJV
Genesis 42:38 And he said, My son shall not go down with you; for his brother is dead, and he is left alone: if mischief befall him by the way in the which ye go, then shall ye bring down my gray hairs with sorrow to the grave.
KJV
Genesis 44:29 And if ye take this also from me, and mischief befall him, ye shall bring down my gray hairs with sorrow to the grave.
KJV
Genesis 44:31 It shall come to pass, when he seeth that the lad is not with us, that he will die: and thy servants shall bring down the gray hairs of thy servant our father with sorrow to the grave.
KJV
1 Samuel 2:6 The LORD killeth, and maketh alive: he bringeth down to the grave, and bringeth up.
KJV
2 Samuel 3:32 And they buried Abner in Hebron: and the king lifted up his voice, and wept at the grave of Abner; and all the people wept.
KJV
1 Kings 2:6 Do therefore according to thy wisdom, and let not his hoar head go down to the grave in peace.
KJV
1 Kings 2:9 Now therefore hold him not guiltless: for thou art a wise man, and knowest what thou oughtest to do unto him; but his hoar head bring thou down to the grave with blood.
KJV
1 Kings 14:13 And all Israel shall mourn for him, and bury him: for he only of Jeroboam shall come to the grave, because in him there is found some good thing toward the LORD God of Israel in the house of Jeroboam.
KJV
Job 7:9 As the cloud is consumed and vanisheth away: so he that goeth down to the grave shall come up no more.
KJV
Job 17:13 If I wait, the grave is mine house: I have made my bed in the darkness.
KJV
Job 21:13 They spend their days in wealth, and in a moment go down to the grave.
KJV
Job 24:19 Drought and heat consume the snow waters: so doth the grave those which have sinned.
KJV
Psalm 6:5 For in death there is no remembrance of thee: in the grave who shall give thee thanks?
KJV
Psalm 30:3 O LORD, thou hast brought up my soul from the grave: thou hast kept me alive, that I should not go down to the pit.
KJV
Psalm 31:17 Let me not be ashamed, O LORD; for I have called upon thee: let the wicked be ashamed, and let them be silent in the grave.
KJV
Psalm 49:14 Like sheep they are laid in the grave; death shall feed on them; and the upright shall have dominion over them in the morning; and their beauty shall consume in the grave from their dwelling.
KJV
Psalm 49:15 But God will redeem my soul from the power of the grave: for he shall receive me. Selah.
KJV
Psalm 88:3 For my soul is full of troubles: and my life draweth nigh unto the grave.