diff --git a/studio-v2/app/vocabulary/page.tsx b/studio-v2/app/vocabulary/page.tsx
index 5bf1e55..eec7366 100644
--- a/studio-v2/app/vocabulary/page.tsx
+++ b/studio-v2/app/vocabulary/page.tsx
@@ -238,25 +238,47 @@ export default function VocabularyPage() {
                       <span className={`text-sm font-semibold ${isDark ? 'text-cyan-300' : 'text-cyan-700'}`}>
                         💡 {topic.topic} ({topic.word_count})
                       </span>
-                      <button
-                        onClick={async () => {
-                          // Load all words from this topic via Kaikki
-                          setIsSearching(true)
-                          const topicWords: VocabWord[] = []
-                          for (const w of topic.words) {
-                            const r = await fetch(`${getApiBase()}/api/vocabulary/search?q=${encodeURIComponent(w)}&lang=en&limit=1&source=kaikki`)
-                            if (r.ok) {
-                              const d = await r.json()
-                              if (d.words?.[0]) topicWords.push(d.words[0])
+                      <div className="flex gap-2">
+                        <button
+                          onClick={async () => {
+                            setIsSearching(true)
+                            const topicWords: VocabWord[] = []
+                            for (const w of topic.words) {
+                              const r = await fetch(`${getApiBase()}/api/vocabulary/search?q=${encodeURIComponent(w)}&lang=en&limit=1&source=kaikki`)
+                              if (r.ok) {
+                                const d = await r.json()
+                                if (d.words?.[0]) topicWords.push(d.words[0])
+                              }
                             }
-                          }
-                          setResults(topicWords)
-                          setIsSearching(false)
-                        }}
-                        className={`text-xs px-3 py-1 rounded-lg ${isDark ? 'bg-cyan-500/20 text-cyan-300 hover:bg-cyan-500/30' : 'bg-cyan-100 text-cyan-700 hover:bg-cyan-200'}`}
-                      >
-                        Alle laden
-                      </button>
+                            setResults(topicWords)
+                            setIsSearching(false)
+                          }}
+                          className={`text-xs px-3 py-1 rounded-lg ${isDark ? 'bg-white/10 text-white/60 hover:bg-white/20' : 'bg-slate-100 text-slate-600 hover:bg-slate-200'}`}
+                        >
+                          Anzeigen
+                        </button>
+                        <button
+                          onClick={async () => {
+                            setIsSearching(true)
+                            const topicWords: VocabWord[] = []
+                            for (const w of topic.words) {
+                              const r = await fetch(`${getApiBase()}/api/vocabulary/search?q=${encodeURIComponent(w)}&lang=en&limit=1&source=kaikki`)
+                              if (r.ok) {
+                                const d = await r.json()
+                                if (d.words?.[0] && !selectedWords.find(s => s.id === d.words[0].id)) {
+                                  topicWords.push(d.words[0])
+                                }
+                              }
+                            }
+                            setSelectedWords(prev => [...prev, ...topicWords])
+                            setResults(topicWords)
+                            setIsSearching(false)
+                          }}
+                          className={`text-xs px-3 py-1 rounded-lg ${isDark ? 'bg-cyan-500/20 text-cyan-300 hover:bg-cyan-500/30' : 'bg-cyan-100 text-cyan-700 hover:bg-cyan-200'}`}
+                        >
+                          Alle zur Unit
+                        </button>
+                      </div>
                     </div>
                     <div className="flex flex-wrap gap-1">
                       {(topic.display_words || topic.words).slice(0, 15).map((w: string, i: number) => (