This study is to analyzes the type of word formation process of terms in online shops. This research used descriptive qualitative. The result of the analysis shows four types of word formation process in online shops, namely derivation, compounding, clipping, and acronym. The derivation is the process of forming words by giving affixes to the word, so results in new word formation causes a change in word-class and its meaning. The examples of suffix are -er, -or, -al, -ment, -ed, –ing” in the words “Seller, Buyer, Supplier, Retailer, Counter, Hanger, Customer, Testimonial, Endorsement, Payment, Booked, Trusted, Shipping, Booking, Packaging”. The examples of the prefix is re- in the words “Return, Refund, Restock, Refurbish”. Compounding is the process of forming words by combining two or more classes of words into a new form such as in the words “Handmade, Dropship, Download, Upload, Cashback, Online, Offline, Stockroom, Showroom, Giveaway, Fullset, Checkout”. Clipping is the process of forming words by cutting parts of the word itself or forming words from words that have more than one syllable that gets the word cutting process at the beginning or end such as in the words “Advertisement (Ad), Original (Ori), Brother (Bro), Sister (Sist)”. The acronym is the process of formation by taking from the initial letter in each syllable arranged to mention the abbreviation or extension of a term, so the result can be pronounced as a word. For example in the words “COD (Cash on Delivery), PO (Pre Order), DP (Down Payment), FP (Full Payment), PL (Price List), (PM) Private Message, IDR (Indonesian Rupiahs), WTB (Want to Buy), WTS (Want to Sell), WS (WholeSale), ATC (Add to Chart), RC (Recommended Seller).