provide:
provide oneself 自备；自办
provide for 供养，供给；规定；为…作准备
provide service 提供服务
provide with 供给
provide against 规定禁止；预防
offer:
offer for 对…报价
on offer 出售中
make an offer 要价，出价
special offer 特别优惠
job offer 工作机会；工作邀请
offer help 提供帮助
offer up 贡献
best offer 最低报价
offer one's service 主动帮忙
firm offer 实盘
tender offer 投标报价；招标
offer to buy 认购，
要约买
offer to sell 销货要约
offer price 要价；卖出价
counter offer 买方还价，还盘
offer firm 报实盘
offer letter n. 建议书；报价书；录用通知书
offer sheet
报价单，报盘单
offer a reward 悬赏
public offer 公开报价
两词意思本身都有很大区别 主要是运用 那就要看短语搭配 相关搭配我已经给你列出来了 你自己对照吧