几乎

almost; about; most; near; nearly; practically; virtually; anywhere; nigh; well-nigh; close; virtual; next to; all but; just about; on the verge of; as much as

差不多

similar; near; close; some; nigh; about; nearly; almost; roughly; virtually; well-nigh; practically; pretty much; just about; pretty well; as good as; more or less